MDU Resources

19.92

+0.13000.66%

Volume:1.91M

Turnover:38.08M

Market Cap:4.19B

PE:21.00

High:20.02

Open:19.72

Low:19.58

Close:19.79

52wk High:22.98

52wk Low:15.76

Shares:210.35M

Float Shares:208.08M

Volume Ratio:1.60

T/O Rate:0.92%

Dividend:0.56

Dividend Rate:2.81%

EPS(TTM):0.9485

EPS(LYR):0.9251

ROE:6.89%

ROA:2.65%

PB:1.43

PE(LYR):21.53

Loading ...

Overview Company News Filings

Nov 20, 2025

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://sg.tigeractivity.com/stock/MDU/filings?page=2"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"MDU","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"MDU\",,,,,undefined,":{"symbol":"MDU","market":"US","secType":"STK","nameCN":"MDU Resources","latestPrice":19.92,"timestamp":1788206400000,"preClose":19.79,"halted":0,"volume":1910658,"delay":0,"changeRate":0.0065689742294089215,"floatShares":208082773,"shares":210349456,"eps":0.948506,"marketStatus":"Pre-Mkt","change":0.13,"latestTime":"09-01 06:30:53 EDT","open":19.72,"high":20.02,"low":19.58,"amount":38076582.344844,"amplitude":0.022233,"askPrice":22.57,"askSize":100,"bidPrice":14.73,"bidSize":100,"shortable":3,"etf":0,"ttmEps":0.948506,"tradingStatus":1,"nextMarketStatus":{"tag":"Open","tradingStatus":2,"beginTime":1788269400000},"marketStatusCode":1,"adr":0,"adrRate":0,"listingDate":838958400000,"exchange":"NYSE","adjPreClose":19.92,"dividendRate":0.028112,"postHourTrading":{"tag":"盘后","latestPrice":19.92,"preClose":19.92,"latestTime":"19:30 EDT","volume":63055,"amount":1256054.230732,"timestamp":1788219007034,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":1.6043761713790532,"impliedVol":0.4037,"impliedVolPercentile":0.9522},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"MDU\",,,,,undefined,":{"symbol":"MDU","floatShares":208082773,"roa":"2.65%","roe":"6.89%","lyrEps":0.925129,"volumeRatio":1.6043761713790532,"shares":210349456,"dividePrice":0.56,"high":20.02,"amplitude":0.022233,"preClose":19.79,"low":19.58,"week52Low":15.76,"pbRate":"1.43","psRate":"2.29","week52High":22.98,"institutionHeld":0.9652,"latestPrice":19.92,"eps":0.948506,"divideRate":0.028112,"volume":1910658,"delay":0,"ttmEps":0.948506,"open":19.72,"prevYearClose":19.52,"prevWeekClose":19.79,"prevMonthClose":19.92,"prevQuarterClose":21.21,"fiveDayClose":19.96,"twentyDayClose":20.11,"sixtyDayClose":21.15,"dividendPayoutRate":0.5794121970559423,"dividendFrequency":"Q","dividendGrowthYears":1,"dividendGrowthRate":0.058823529411764754,"fiveYearAvgDividendRate":0.02948874103737888},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/MDU\",params:#limit:5,,,undefined,":[{"date":"2026-09-10","symbol":"MDU","amount":0.145,"announcedDate":"2026-08-13","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-09-10","defaultRemindTime":1789047000000,"name":"MDU Resources Group Inc","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-10-01","payableDate":"2026-09-10","currency":"USD","dateTimestamp":1789012800000,"payDate":"2026-10-01"},{"market":"US","date":"2026-08-06","symbol":"MDU","fiscalQuarterEnding":"2026/06","expectedEps":0.08,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1785988800000,"reportTimeType":"pre","actualEps":0.09},{"date":"2026-06-11","symbol":"MDU","amount":0.14,"announcedDate":"2026-05-13","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-06-11","defaultRemindTime":1781184600000,"name":"MDU Resources Group Inc","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-07-01","payableDate":"2026-06-11","currency":"USD","dateTimestamp":1781150400000,"payDate":"2026-07-01"},{"market":"US","date":"2026-05-07","symbol":"MDU","fiscalQuarterEnding":"2026/03","expectedEps":0.42,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1778126400000,"reportTimeType":"pre","actualEps":0.39},{"date":"2026-03-12","symbol":"MDU","amount":0.14,"announcedDate":"2026-02-19","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-03-12","defaultRemindTime":1773322200000,"name":"MDU Resources Group Inc","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-04-01","payableDate":"2026-03-12","currency":"USD","dateTimestamp":1773288000000,"payDate":"2026-04-01"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"MDU\",market:\"US\",,,undefined,":[{"executeDate":"2016-09-06","recordDate":"2016-09-08","paymentDate":"2016-10-01","value":0.1875,"currency":"USD"},{"executeDate":"2016-12-06","recordDate":"2016-12-08","paymentDate":"2017-01-01","value":0.1925,"currency":"USD"},{"executeDate":"2017-03-07","recordDate":"2017-03-09","paymentDate":"2017-04-01","value":0.1925,"currency":"USD"},{"executeDate":"2017-06-06","recordDate":"2017-06-08","paymentDate":"2017-07-01","value":0.1925,"currency":"USD"},{"executeDate":"2017-09-13","recordDate":"2017-09-14","paymentDate":"2017-10-01","value":0.1925,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"MDU\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.4444,"buy":0.2222,"hold":0.3333,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.2222,"analysts":9,"updateTime":1786248000000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/MDU\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"MDU","date":"2026-08-31","current":21.001449,"percent":0.838554,"low":7.56446,"twenty":11.036452,"median":14.605999,"eighty":18.534439,"high":25.756639,"avg":15.245345,"sd":4.471271,"marketCap":4162815734},"quantilePoints":[{"date":"2021-09-03","current":15.590884,"twenty":-8.953305,"median":15.930576,"eighty":18.929887,"marketCap":6512203018},{"date":"2021-09-10","current":14.951158,"twenty":-8.934129,"median":15.930576,"eighty":18.929887,"marketCap":6244994190},{"date":"2021-09-17","current":14.524675,"twenty":-8.899082,"median":15.930576,"eighty":18.929887,"marketCap":6066854972},{"date":"2021-09-24","current":14.277508,"twenty":-8.840893,"median":15.930576,"eighty":18.929887,"marketCap":5963615197},{"date":"2021-10-01","current":14.684606,"twenty":-8.822378,"median":15.930576,"eighty":18.929887,"marketCap":6133657179},{"date":"2021-10-08","current":14.946312,"twenty":-8.753608,"median":15.930576,"eighty":18.929887,"marketCap":6242969881},{"date":"2021-10-15","current":15.004469,"twenty":-8.717239,"median":15.930576,"eighty":18.929887,"marketCap":6267261592},{"date":"2021-10-22","current":15.115936,"twenty":-8.641857,"median":15.930576,"eighty":18.929887,"marketCap":6313820706},{"date":"2021-10-29","current":14.893002,"twenty":-8.625325,"median":15.928792,"eighty":18.9297,"marketCap":6220702478},{"date":"2021-11-05","current":14.510272,"twenty":11.127817,"median":15.928792,"eighty":18.9297,"marketCap":5860568326},{"date":"2021-11-12","current":14.55055,"twenty":11.85635,"median":15.928792,"eighty":18.9297,"marketCap":5876836386},{"date":"2021-11-19","current":14.334054,"twenty":12.323536,"median":15.928792,"eighty":18.9297,"marketCap":5789395567},{"date":"2021-11-26","current":14.238393,"twenty":12.446307,"median":15.928792,"eighty":18.9297,"marketCap":5750758927},{"date":"2021-12-03","current":14.157837,"twenty":12.570815,"median":15.928792,"eighty":18.9297,"marketCap":5718222808},{"date":"2021-12-10","current":14.389437,"twenty":12.621353,"median":15.928792,"eighty":18.9297,"marketCap":5811764149},{"date":"2021-12-17","current":14.731803,"twenty":12.697566,"median":15.928792,"eighty":18.9297,"marketCap":5950042652},{"date":"2021-12-23","current":14.847603,"twenty":12.751353,"median":15.928792,"eighty":18.9297,"marketCap":5996813322},{"date":"2021-12-31","current":15.5273,"twenty":12.820427,"median":15.928792,"eighty":18.9297,"marketCap":6271336821},{"date":"2022-01-07","current":15.834423,"twenty":12.87255,"median":15.927008,"eighty":18.929513,"marketCap":6395380773},{"date":"2022-01-14","current":15.335978,"twenty":12.934243,"median":15.927008,"eighty":18.929513,"marketCap":6194063540},{"date":"2022-01-21","current":14.595864,"twenty":13.004597,"median":15.927008,"eighty":18.929513,"marketCap":5895137952},{"date":"2022-01-28","current":14.671386,"twenty":13.0509,"median":15.918515,"eighty":18.929326,"marketCap":5925640563},{"date":"2022-02-04","current":14.359228,"twenty":13.11976,"median":15.918515,"eighty":18.929326,"marketCap":5799563104},{"date":"2022-02-11","current":14.64371,"twenty":13.141401,"median":15.918515,"eighty":18.929326,"marketCap":5537240650},{"date":"2022-02-18","current":14.848066,"twenty":13.168446,"median":15.918515,"eighty":18.929326,"marketCap":5614513931},{"date":"2022-02-25","current":14.579176,"twenty":13.197467,"median":15.918515,"eighty":18.929326,"marketCap":5512838561},{"date":"2022-03-04","current":14.22962,"twenty":13.234754,"median":15.918515,"eighty":18.929326,"marketCap":5380660580},{"date":"2022-03-11","current":13.546642,"twenty":13.251682,"median":15.918515,"eighty":18.929326,"marketCap":5122405140},{"date":"2022-03-18","current":13.853175,"twenty":13.279517,"median":15.918515,"eighty":18.929326,"marketCap":5238315062},{"date":"2022-03-25","current":13.799398,"twenty":13.286426,"median":15.918515,"eighty":18.929326,"marketCap":5217979988},{"date":"2022-04-01","current":14.412465,"twenty":13.302807,"median":15.918515,"eighty":18.929326,"marketCap":5449799832},{"date":"2022-04-08","current":14.412465,"twenty":13.325055,"median":15.918515,"eighty":18.929326,"marketCap":5449799832},{"date":"2022-04-14","current":14.611443,"twenty":13.358793,"median":15.918515,"eighty":18.929326,"marketCap":5525039605},{"date":"2022-04-22","current":14.654465,"twenty":13.385654,"median":15.918515,"eighty":18.929326,"marketCap":5541307665},{"date":"2022-04-29","current":13.853175,"twenty":13.412739,"median":15.918515,"eighty":18.929326,"marketCap":5238315062},{"date":"2022-05-06","current":14.550915,"twenty":13.429118,"median":15.918515,"eighty":18.929326,"marketCap":5205778944},{"date":"2022-05-13","current":14.704382,"twenty":13.460897,"median":15.918515,"eighty":18.929326,"marketCap":5260683643},{"date":"2022-05-20","current":15.102258,"twenty":13.518651,"median":15.918515,"eighty":18.929326,"marketCap":5403029161},{"date":"2022-05-27","current":15.602446,"twenty":13.547905,"median":15.918515,"eighty":18.929326,"marketCap":5581977813},{"date":"2022-06-03","current":15.556974,"twenty":13.57829,"median":15.918515,"eighty":18.929326,"marketCap":5565709753},{"date":"2022-06-10","current":15.403508,"twenty":13.636479,"median":15.918515,"eighty":18.929326,"marketCap":5510805054},{"date":"2022-06-17","current":14.795325,"twenty":13.685473,"median":15.918515,"eighty":18.929326,"marketCap":5293219762},{"date":"2022-06-24","current":15.812752,"twenty":13.709648,"median":15.927008,"eighty":18.929513,"marketCap":5657217586},{"date":"2022-07-01","current":15.727493,"twenty":13.736824,"median":15.927008,"eighty":18.929513,"marketCap":5626714975},{"date":"2022-07-08","current":15.198885,"twenty":13.76515,"median":15.927008,"eighty":18.929513,"marketCap":5437598787},{"date":"2022-07-15","current":15.272777,"twenty":13.800566,"median":15.927008,"eighty":18.929513,"marketCap":5464034383},{"date":"2022-07-22","current":15.323932,"twenty":13.820435,"median":15.927008,"eighty":18.929513,"marketCap":5482335950},{"date":"2022-07-29","current":16.239048,"twenty":13.84461,"median":15.934979,"eighty":18.929513,"marketCap":5809730641},{"date":"2022-08-05","current":18.089939,"twenty":13.861899,"median":15.949167,"eighty":18.929513,"marketCap":5937841608},{"date":"2022-08-12","current":19.328976,"twenty":13.895475,"median":15.990488,"eighty":18.937813,"marketCap":6344543088},{"date":"2022-08-19","current":19.756444,"twenty":13.916956,"median":16.077971,"eighty":18.959153,"marketCap":6484855098},{"date":"2022-08-26","current":19.260829,"twenty":13.926903,"median":16.123795,"eighty":18.974807,"marketCap":6322174506},{"date":"2022-09-02","current":18.554578,"twenty":13.947576,"median":16.182382,"eighty":18.977295,"marketCap":6090354663},{"date":"2022-09-09","current":18.95107,"twenty":13.982242,"median":16.198531,"eighty":18.977295,"marketCap":6220499136},{"date":"2022-09-16","current":18.269599,"twenty":14.047785,"median":16.232288,"eighty":18.977295,"marketCap":5996813322},{"date":"2022-09-23","current":17.501397,"twenty":14.098987,"median":16.267571,"eighty":18.977295,"marketCap":5744658405},{"date":"2022-09-30","current":16.94383,"twenty":14.128366,"median":16.299802,"eighty":18.977295,"marketCap":5561642739},{"date":"2022-10-07","current":17.148271,"twenty":14.156738,"median":16.348027,"eighty":18.977295,"marketCap":5628748483},{"date":"2022-10-14","current":17.086319,"twenty":14.199999,"median":16.396251,"eighty":18.977295,"marketCap":5608413409},{"date":"2022-10-21","current":17.730618,"twenty":14.227451,"median":16.446897,"eighty":18.977295,"marketCap":5819898178},{"date":"2022-10-28","current":17.761594,"twenty":14.252888,"median":16.478232,"eighty":18.977295,"marketCap":5830065715},{"date":"2022-11-04","current":17.502401,"twenty":14.265547,"median":16.510374,"eighty":18.974807,"marketCap":5897171460},{"date":"2022-11-11","current":18.250779,"twenty":14.265547,"median":16.510374,"eighty":18.959657,"marketCap":6149326377},{"date":"2022-11-18","current":18.449945,"twenty":14.265547,"median":16.510374,"eighty":18.94355,"marketCap":6216432121},{"date":"2022-11-25","current":18.968981,"twenty":14.265547,"median":16.510374,"eighty":18.932428,"marketCap":6391313758},{"date":"2022-12-02","current":19.041405,"twenty":14.265547,"median":16.510374,"eighty":18.929513,"marketCap":6415715847},{"date":"2022-12-09","current":18.468051,"twenty":14.265547,"median":16.510374,"eighty":18.903173,"marketCap":6222532644},{"date":"2022-12-16","current":17.804166,"twenty":14.265547,"median":16.510374,"eighty":18.894585,"marketCap":5998846830},{"date":"2022-12-23","current":18.347344,"twenty":14.265547,"median":16.510374,"eighty":18.877709,"marketCap":6181862496},{"date":"2022-12-30","current":18.311133,"twenty":14.265547,"median":16.510374,"eighty":18.868818,"marketCap":6169661451},{"date":"2023-01-06","current":18.425803,"twenty":14.265547,"median":16.510374,"eighty":18.849464,"marketCap":6208298092},{"date":"2023-01-13","current":18.655145,"twenty":14.265547,"median":16.510374,"eighty":18.829946,"marketCap":6285571373},{"date":"2023-01-20","current":18.130073,"twenty":14.265547,"median":16.510374,"eighty":18.814311,"marketCap":6108656229},{"date":"2023-01-27","current":18.468051,"twenty":14.265547,"median":16.510374,"eighty":18.791613,"marketCap":6222532644},{"date":"2023-02-03","current":18.715498,"twenty":14.265547,"median":16.510374,"eighty":18.781981,"marketCap":6305906447},{"date":"2023-02-10","current":17.037705,"twenty":14.265547,"median":16.510374,"eighty":18.778193,"marketCap":6261169284},{"date":"2023-02-17","current":17.441652,"twenty":14.265547,"median":16.510374,"eighty":18.771719,"marketCap":6409615324},{"date":"2023-02-24","current":17.707261,"twenty":14.265547,"median":16.510374,"eighty":18.766199,"marketCap":6507223680},{"date":"2023-03-03","current":17.531572,"twenty":14.265547,"median":16.510374,"eighty":18.763275,"marketCap":6442659974},{"date":"2023-03-10","current":16.539742,"twenty":14.265547,"median":16.510374,"eighty":18.763275,"marketCap":6078173206},{"date":"2023-03-17","current":16.085384,"twenty":14.265547,"median":16.478232,"eighty":18.747649,"marketCap":5911201613},{"date":"2023-03-24","current":16.102007,"twenty":14.265547,"median":16.453245,"eighty":18.723803,"marketCap":5917310330},{"date":"2023-03-31","current":16.888822,"twenty":14.266406,"median":16.450071,"eighty":18.707391,"marketCap":6206456258},{"date":"2023-04-06","current":16.534201,"twenty":14.266406,"median":16.450071,"eighty":18.684407,"marketCap":6076136967},{"date":"2023-04-14","current":16.661643,"twenty":14.265547,"median":16.446897,"eighty":18.668039,"marketCap":6122970462},{"date":"2023-04-21","current":16.52866,"twenty":14.265547,"median":16.43483,"eighty":18.646821,"marketCap":6074100728},{"date":"2023-04-28","current":16.113089,"twenty":14.265547,"median":16.405896,"eighty":18.626513,"marketCap":5921382808},{"date":"2023-05-05","current":15.459084,"twenty":14.265547,"median":16.395677,"eighty":18.616942,"marketCap":5782918561},{"date":"2023-05-12","current":15.895681,"twenty":14.265547,"median":16.338382,"eighty":18.600863,"marketCap":5946240491},{"date":"2023-05-19","current":15.781363,"twenty":14.264687,"median":16.322435,"eighty":18.587145,"marketCap":5903476433},{"date":"2023-05-26","current":15.993668,"twenty":14.264687,"median":16.281178,"eighty":18.580491,"marketCap":5982895398},{"date":"2023-06-02","current":10.713254,"twenty":14.2628,"median":16.264397,"eighty":18.574328,"marketCap":4007603180},{"date":"2023-06-09","current":11.355613,"twenty":14.239186,"median":16.235668,"eighty":18.564022,"marketCap":4247896460},{"date":"2023-06-16","current":11.235851,"twenty":14.219716,"median":16.202108,"eighty":18.550183,"marketCap":4203096018},{"date":"2023-06-23","current":11.099758,"twenty":14.184156,"median":16.185073,"eighty":18.542016,"marketCap":4152186425},{"date":"2023-06-30","current":11.437269,"twenty":14.15509,"median":16.163507,"eighty":18.535087,"marketCap":4278442216},{"date":"2023-07-07","current":11.377388,"twenty":14.13282,"median":16.118442,"eighty":18.522368,"marketCap":4256041995},{"date":"2023-07-14","current":11.840105,"twenty":14.101291,"median":16.087724,"eighty":18.513144,"marketCap":4429134612},{"date":"2023-07-21","current":11.959867,"twenty":14.053591,"median":16.065804,"eighty":18.498227,"marketCap":4473935054},{"date":"2023-07-28","current":12.003417,"twenty":13.982242,"median":15.986966,"eighty":18.488077,"marketCap":4490226124},{"date":"2023-08-04","current":10.034405,"twenty":13.941824,"median":15.961006,"eighty":18.476571,"marketCap":4355824798},{"date":"2023-08-11","current":9.940261,"twenty":13.924561,"median":15.944673,"eighty":18.471409,"marketCap":4315097123},{"date":"2023-08-18","current":9.602508,"twenty":13.913614,"median":15.92946,"eighty":18.464191,"marketCap":4168477495},{"date":"2023-08-25","current":9.405485,"twenty":13.892169,"median":15.893566,"eighty":18.449945,"marketCap":4082949378},{"date":"2023-09-01","current":9.550907,"twenty":13.859602,"median":15.882582,"eighty":18.424097,"marketCap":4146077274},{"date":"2023-09-08","current":9.147479,"twenty":13.84461,"median":15.854861,"eighty":18.418284,"marketCap":3970948273},{"date":"2023-09-15","current":9.330429,"twenty":13.826286,"median":15.833225,"eighty":18.407217,"marketCap":4050367238},{"date":"2023-09-22","current":9.503997,"twenty":13.800699,"median":15.795765,"eighty":18.407217,"marketCap":4125713436},{"date":"2023-09-29","current":9.274137,"twenty":13.766543,"median":15.778223,"eighty":18.407217,"marketCap":4025930634},{"date":"2023-10-06","current":8.894165,"twenty":13.731696,"median":15.748223,"eighty":18.407217,"marketCap":3860983552},{"date":"2023-10-13","current":8.96453,"twenty":13.70951,"median":15.724615,"eighty":18.407217,"marketCap":3891529308},{"date":"2023-10-20","current":8.87071,"twenty":13.681511,"median":15.669702,"eighty":18.407217,"marketCap":3850801633},{"date":"2023-10-27","current":8.715906,"twenty":13.643931,"median":15.658215,"eighty":18.407506,"marketCap":3783600970},{"date":"2023-11-03","current":10.596737,"twenty":13.596937,"median":15.64135,"eighty":18.407506,"marketCap":3826365028},{"date":"2023-11-10","current":10.23093,"twenty":13.548954,"median":15.606333,"eighty":18.407506,"marketCap":3694000086},{"date":"2023-11-17","current":10.541129,"twenty":13.523081,"median":15.582367,"eighty":18.407506,"marketCap":3806001191},{"date":"2023-11-24","current":10.721609,"twenty":13.48177,"median":15.562658,"eighty":18.407506,"marketCap":3871165470},{"date":"2023-12-01","current":10.794928,"twenty":13.440955,"median":15.529743,"eighty":18.407506,"marketCap":3897638459},{"date":"2023-12-08","current":10.811848,"twenty":13.418043,"median":15.501696,"eighty":18.407409,"marketCap":3903747610},{"date":"2023-12-15","current":11.189727,"twenty":13.392694,"median":15.476952,"eighty":18.407409,"marketCap":4040185320},{"date":"2023-12-22","current":11.110768,"twenty":13.372268,"median":15.429435,"eighty":18.407409,"marketCap":4011675948},{"date":"2023-12-27","current":11.302527,"twenty":13.357534,"median":15.429435,"eighty":18.407409,"marketCap":4080912994},{"date":"2024-01-05","current":10.935928,"twenty":13.325714,"median":15.441709,"eighty":18.407698,"marketCap":3948548052},{"date":"2024-01-12","current":11.020528,"twenty":13.303281,"median":15.431927,"eighty":18.407698,"marketCap":3979093808},{"date":"2024-01-19","current":10.704689,"twenty":13.286455,"median":15.418928,"eighty":18.408306,"marketCap":3865056319},{"date":"2024-01-26","current":10.969768,"twenty":13.280847,"median":15.361152,"eighty":18.407698,"marketCap":3960766354},{"date":"2024-02-02","current":11.251767,"twenty":13.258413,"median":15.324187,"eighty":18.407698,"marketCap":4062585541},{"date":"2024-02-09","current":9.762071,"twenty":13.236125,"median":15.296738,"eighty":18.406445,"marketCap":4048330855},{"date":"2024-02-16","current":10.238389,"twenty":13.213545,"median":15.278461,"eighty":18.39271,"marketCap":4245860077},{"date":"2024-02-23","current":10.336599,"twenty":13.179894,"median":15.245352,"eighty":18.380716,"marketCap":4286587751},{"date":"2024-03-01","current":10.648432,"twenty":13.155831,"median":15.230147,"eighty":18.36581,"marketCap":4415979471},{"date":"2024-03-08","current":10.879279,"twenty":13.128981,"median":15.210093,"eighty":18.342491,"marketCap":4511713343},{"date":"2024-03-15","current":11.129773,"twenty":13.066604,"median":15.193055,"eighty":18.341309,"marketCap":4615594779},{"date":"2024-03-22","current":11.365532,"twenty":13.011597,"median":15.159745,"eighty":18.330211,"marketCap":4713365542},{"date":"2024-03-28","current":12.033515,"twenty":12.939852,"median":15.144644,"eighty":18.316328,"marketCap":4990382705},{"date":"2024-04-05","current":12.22998,"twenty":12.877037,"median":15.11931,"eighty":18.288185,"marketCap":5071858341},{"date":"2024-04-12","current":12.008956,"twenty":12.815344,"median":15.102258,"eighty":18.279536,"marketCap":4980198250},{"date":"2024-04-19","current":11.591467,"twenty":12.748042,"median":15.072318,"eighty":18.260885,"marketCap":4807062524},{"date":"2024-04-26","current":12.180864,"twenty":12.677375,"median":15.063865,"eighty":18.250779,"marketCap":5051489432},{"date":"2024-05-03","current":10.704036,"twenty":12.596614,"median":15.018197,"eighty":18.236076,"marketCap":5108522377},{"date":"2024-05-10","current":10.915291,"twenty":12.569694,"median":14.994776,"eighty":18.200843,"marketCap":5209344455},{"date":"2024-05-17","current":10.723045,"twenty":12.456775,"median":14.965698,"eighty":18.179279,"marketCap":5117594748},{"date":"2024-05-24","current":10.761494,"twenty":12.383048,"median":14.952887,"eighty":18.15417,"marketCap":5135944690},{"date":"2024-05-31","current":10.782855,"twenty":12.313577,"median":14.941465,"eighty":18.152972,"marketCap":5146139101},{"date":"2024-06-07","current":10.453901,"twenty":12.214218,"median":14.900711,"eighty":18.135955,"marketCap":4989145159},{"date":"2024-06-14","current":10.458173,"twenty":12.118245,"median":14.882534,"eighty":18.115591,"marketCap":4991184041},{"date":"2024-06-21","current":10.795671,"twenty":12.057854,"median":14.870786,"eighty":18.089939,"marketCap":5152255748},{"date":"2024-06-28","current":10.723045,"twenty":12.003417,"median":14.847603,"eighty":18.051614,"marketCap":5117594748},{"date":"2024-07-05","current":10.49235,"twenty":11.959867,"median":14.811647,"eighty":18.015428,"marketCap":5007495100},{"date":"2024-07-12","current":10.808488,"twenty":11.834661,"median":14.795325,"eighty":17.928864,"marketCap":5158372396},{"date":"2024-07-19","current":11.175891,"twenty":11.791111,"median":14.776688,"eighty":17.87659,"marketCap":5333716279},{"date":"2024-07-26","current":11.611648,"twenty":11.618855,"median":14.751942,"eighty":17.78018,"marketCap":5541682281},{"date":"2024-08-02","current":11.081904,"twenty":11.57182,"median":14.704382,"eighty":17.646323,"marketCap":5288860867},{"date":"2024-08-09","current":12.253423,"twenty":11.509117,"median":14.684606,"eighty":17.531572,"marketCap":4987106277},{"date":"2024-08-16","current":12.373653,"twenty":11.509117,"median":14.654465,"eighty":17.501397,"marketCap":5036039453},{"date":"2024-08-23","current":12.624131,"twenty":11.509117,"median":14.636174,"eighty":17.44564,"marketCap":5137983572},{"date":"2024-08-30","current":12.869601,"twenty":11.509117,"median":14.61191,"eighty":17.413985,"marketCap":5237888808},{"date":"2024-09-06","current":12.388681,"twenty":11.509117,"median":14.605933,"eighty":17.321736,"marketCap":5042156101},{"date":"2024-09-13","current":13.731248,"twenty":11.509117,"median":14.579176,"eighty":17.270113,"marketCap":5588576576},{"date":"2024-09-20","current":13.666123,"twenty":11.509117,"median":14.55055,"eighty":17.242079,"marketCap":5562071105},{"date":"2024-09-27","current":13.731248,"twenty":11.509117,"median":14.525377,"eighty":17.216298,"marketCap":5588576576},{"date":"2024-10-04","current":13.651094,"twenty":11.509117,"median":14.505237,"eighty":17.179247,"marketCap":5555954458},{"date":"2024-10-11","current":14.317368,"twenty":11.509117,"median":14.480063,"eighty":17.092551,"marketCap":5827125813},{"date":"2024-10-18","current":15.168996,"twenty":11.509117,"median":14.459924,"eighty":17.030678,"marketCap":6173735816},{"date":"2024-10-25","current":14.417559,"twenty":11.509117,"median":14.452627,"eighty":16.937867,"marketCap":5867903460},{"date":"2024-11-01","current":7.56446,"twenty":11.483484,"median":14.44606,"eighty":16.82233,"marketCap":3078712378},{"date":"2024-11-08","current":9.215735,"twenty":11.426382,"median":14.419646,"eighty":16.661643,"marketCap":3655716089},{"date":"2024-11-15","current":9.426468,"twenty":11.377388,"median":14.412465,"eighty":16.618083,"marketCap":3739310266},{"date":"2024-11-22","current":10.248843,"twenty":11.339282,"median":14.389437,"eighty":16.578529,"marketCap":4065531445},{"date":"2024-11-29","current":10.300241,"twenty":11.296769,"median":14.379283,"eighty":16.539742,"marketCap":4085920269},{"date":"2024-12-06","current":10.00727,"twenty":11.21952,"median":14.359228,"eighty":16.517578,"marketCap":3969703974},{"date":"2024-12-13","current":9.6886,"twenty":11.189727,"median":14.317368,"eighty":16.478791,"marketCap":3843293267},{"date":"2024-12-20","current":9.303112,"twenty":11.172807,"median":14.283769,"eighty":16.43483,"marketCap":3690377089},{"date":"2024-12-27","current":9.35451,"twenty":11.129773,"median":14.262969,"eighty":16.396251,"marketCap":3710765913},{"date":"2025-01-03","current":9.333951,"twenty":11.110768,"median":14.243428,"eighty":16.381006,"marketCap":3702610383},{"date":"2025-01-10","current":9.112938,"twenty":11.093225,"median":14.226909,"eighty":16.325268,"marketCap":3614938442},{"date":"2025-01-17","current":9.462447,"twenty":11.075268,"median":14.199316,"eighty":16.274884,"marketCap":3753582443},{"date":"2025-01-24","current":9.303112,"twenty":11.048728,"median":14.159477,"eighty":16.257365,"marketCap":3690377089},{"date":"2025-01-31","current":9.159196,"twenty":11.037249,"median":14.13282,"eighty":16.225253,"marketCap":3633288383},{"date":"2025-02-07","current":12.018257,"twenty":11.021479,"median":14.101634,"eighty":16.189242,"marketCap":3378428087},{"date":"2025-02-14","current":12.163317,"twenty":11.021479,"median":14.073671,"eighty":16.170099,"marketCap":3419205734},{"date":"2025-02-21","current":12.109784,"twenty":11.021479,"median":14.021414,"eighty":16.11969,"marketCap":3404157292},{"date":"2025-02-28","current":12.538642,"twenty":11.021479,"median":13.97302,"eighty":16.08076,"marketCap":3524712682},{"date":"2025-03-07","current":12.087978,"twenty":11.021241,"median":13.93922,"eighty":15.987533,"marketCap":3398027357},{"date":"2025-03-14","current":12.269698,"twenty":11.021241,"median":13.923087,"eighty":15.973541,"marketCap":3449110149},{"date":"2025-03-21","current":12.189741,"twenty":11.030709,"median":13.923087,"eighty":15.973541,"marketCap":3426633720},{"date":"2025-03-28","current":12.102516,"twenty":11.03705,"median":13.923087,"eighty":15.973541,"marketCap":3402113980},{"date":"2025-04-04","current":11.637314,"twenty":11.03705,"median":13.923087,"eighty":15.973541,"marketCap":3271342031},{"date":"2025-04-11","current":11.993484,"twenty":11.037249,"median":13.919535,"eighty":15.970298,"marketCap":3371464305},{"date":"2025-04-17","current":12.189741,"twenty":11.037249,"median":13.913614,"eighty":15.970298,"marketCap":3426633720},{"date":"2025-04-25","current":12.262429,"twenty":11.03705,"median":13.913614,"eighty":15.973541,"marketCap":3447066837},{"date":"2025-05-02","current":12.734899,"twenty":11.03705,"median":13.913614,"eighty":15.973541,"marketCap":3579882098},{"date":"2025-05-09","current":13.537646,"twenty":11.03705,"median":13.913614,"eighty":15.973541,"marketCap":3549232422},{"date":"2025-05-16","current":13.576615,"twenty":11.03705,"median":13.913614,"eighty":15.973541,"marketCap":3559448981},{"date":"2025-05-23","current":13.163549,"twenty":11.03705,"median":13.913614,"eighty":15.973541,"marketCap":3451153461},{"date":"2025-05-30","current":13.350598,"twenty":11.03705,"median":13.903056,"eighty":15.973541,"marketCap":3500192942},{"date":"2025-06-06","current":13.085612,"twenty":11.03705,"median":13.869879,"eighty":15.973541,"marketCap":3430720344},{"date":"2025-06-13","current":12.9765,"twenty":11.03705,"median":13.859602,"eighty":15.973541,"marketCap":3402113980},{"date":"2025-06-20","current":12.579022,"twenty":11.03685,"median":13.862512,"eighty":15.976785,"marketCap":3297905083},{"date":"2025-06-27","current":12.758277,"twenty":11.03685,"median":13.862512,"eighty":15.976785,"marketCap":3344901252},{"date":"2025-07-03","current":13.101199,"twenty":11.03685,"median":13.850486,"eighty":15.976785,"marketCap":3434806967},{"date":"2025-07-11","current":12.937532,"twenty":11.03685,"median":13.846204,"eighty":15.976785,"marketCap":3391897422},{"date":"2025-07-18","current":13.241486,"twenty":11.03685,"median":13.846204,"eighty":15.976785,"marketCap":3471586578},{"date":"2025-07-25","current":13.140168,"twenty":11.03685,"median":13.845857,"eighty":15.976785,"marketCap":3445023526},{"date":"2025-08-01","current":13.444122,"twenty":11.03685,"median":13.842758,"eighty":15.976785,"marketCap":3524712682},{"date":"2025-08-08","current":15.472811,"twenty":11.03685,"median":13.845857,"eighty":15.976785,"marketCap":3334684694},{"date":"2025-08-15","current":15.766718,"twenty":11.03685,"median":13.865964,"eighty":15.983374,"marketCap":3398027357},{"date":"2025-08-22","current":15.501253,"twenty":11.03685,"median":13.91112,"eighty":15.983374,"marketCap":3340814629},{"date":"2025-08-29","current":15.56762,"twenty":11.03685,"median":13.933842,"eighty":15.983374,"marketCap":3355117811},{"date":"2025-09-05","current":15.396964,"twenty":11.036651,"median":13.962195,"eighty":15.983409,"marketCap":3318338200},{"date":"2025-09-12","current":15.548658,"twenty":11.03685,"median":14.028672,"eighty":15.983374,"marketCap":3351031188},{"date":"2025-09-19","current":15.25475,"twenty":11.03685,"median":14.099463,"eighty":15.983374,"marketCap":3287688525},{"date":"2025-09-26","current":16.174397,"twenty":11.03685,"median":14.13282,"eighty":16.042996,"marketCap":3485889760},{"date":"2025-10-03","current":16.762212,"twenty":11.03685,"median":14.16848,"eighty":16.083072,"marketCap":3612575085},{"date":"2025-10-10","current":17.748224,"twenty":11.03685,"median":14.221531,"eighty":16.132891,"marketCap":3825079502},{"date":"2025-10-17","current":18.013689,"twenty":11.03685,"median":14.241902,"eighty":16.17441,"marketCap":3882292230},{"date":"2025-10-24","current":18.658389,"twenty":11.03685,"median":14.272386,"eighty":16.194944,"marketCap":4021237425},{"date":"2025-10-31","current":18.430848,"twenty":11.03685,"median":14.299532,"eighty":16.236344,"marketCap":3972197944},{"date":"2025-11-07","current":24.885467,"twenty":11.03685,"median":14.340993,"eighty":16.265032,"marketCap":4213308725},{"date":"2025-11-14","current":24.899292,"twenty":11.03685,"median":14.366256,"eighty":16.281551,"marketCap":4213308725},{"date":"2025-11-21","current":24.730237,"twenty":11.03685,"median":14.389437,"eighty":16.327227,"marketCap":4184702361},{"date":"2025-11-28","current":25.551358,"twenty":11.03685,"median":14.405069,"eighty":16.367814,"marketCap":4323647557},{"date":"2025-12-05","current":23.504495,"twenty":11.03685,"median":14.414556,"eighty":16.396385,"marketCap":3977289696},{"date":"2025-12-12","current":23.721906,"twenty":11.03685,"median":14.440297,"eighty":16.45552,"marketCap":4014078604},{"date":"2025-12-19","current":23.154223,"twenty":11.03685,"median":14.453457,"eighty":16.483821,"marketCap":3918018678},{"date":"2025-12-26","current":23.721906,"twenty":11.03685,"median":14.471355,"eighty":16.519164,"marketCap":4014078604},{"date":"2026-01-02","current":23.576966,"twenty":11.03685,"median":14.497139,"eighty":16.537526,"marketCap":3989552665},{"date":"2026-01-09","current":24.253354,"twenty":11.03685,"median":14.51279,"eighty":16.579113,"marketCap":4104007045},{"date":"2026-01-16","current":24.664018,"twenty":11.03685,"median":14.51279,"eighty":16.624168,"marketCap":4173497204},{"date":"2026-01-23","current":24.965977,"twenty":11.03685,"median":14.51279,"eighty":16.661579,"marketCap":4224592910},{"date":"2026-01-30","current":24.79688,"twenty":11.03685,"median":14.529087,"eighty":16.771702,"marketCap":4195979315},{"date":"2026-02-06","current":21.640534,"twenty":11.03685,"median":14.550732,"eighty":16.861868,"marketCap":4120357671},{"date":"2026-02-13","current":22.338269,"twenty":11.03685,"median":14.583531,"eighty":16.941445,"marketCap":4253206505},{"date":"2026-02-20","current":21.737144,"twenty":11.03685,"median":14.600898,"eighty":17.025607,"marketCap":4138752125},{"date":"2026-02-27","current":21.941673,"twenty":11.03685,"median":14.608517,"eighty":17.07025,"marketCap":4177584861},{"date":"2026-03-06","current":22.821916,"twenty":11.03685,"median":14.608517,"eighty":17.172395,"marketCap":4345178774},{"date":"2026-03-13","current":22.435468,"twenty":11.03685,"median":14.608517,"eighty":17.214861,"marketCap":4271600958},{"date":"2026-03-20","current":21.898734,"twenty":11.03685,"median":14.608517,"eighty":17.236771,"marketCap":4169409548},{"date":"2026-03-27","current":22.145632,"twenty":11.03685,"median":14.608517,"eighty":17.263901,"marketCap":4216417597},{"date":"2026-04-02","current":22.575019,"twenty":11.03685,"median":14.608517,"eighty":17.282888,"marketCap":4298170725},{"date":"2026-04-10","current":23.959792,"twenty":11.03685,"median":14.608517,"eighty":17.382449,"marketCap":4561824564},{"date":"2026-04-17","current":23.589118,"twenty":11.03685,"median":14.608517,"eighty":17.44564,"marketCap":4491250166},{"date":"2026-04-24","current":23.589118,"twenty":11.03685,"median":14.608517,"eighty":17.506022,"marketCap":4491250166},{"date":"2026-05-01","current":24.223466,"twenty":11.03685,"median":14.608517,"eighty":17.539487,"marketCap":4612026720},{"date":"2026-05-08","current":24.312188,"twenty":11.03685,"median":14.608517,"eighty":17.721275,"marketCap":4599744359},{"date":"2026-05-15","current":24.926503,"twenty":11.03685,"median":14.608517,"eighty":17.778775,"marketCap":4717265961},{"date":"2026-05-22","current":24.109241,"twenty":11.03685,"median":14.608517,"eighty":17.866934,"marketCap":4562601503},{"date":"2026-05-29","current":23.788962,"twenty":11.036651,"median":14.606065,"eighty":17.928763,"marketCap":4501989756},{"date":"2026-06-05","current":23.358243,"twenty":11.03685,"median":14.608517,"eighty":18.02558,"marketCap":4420477407},{"date":"2026-06-12","current":23.093185,"twenty":11.03685,"median":14.608517,"eighty":18.114019,"marketCap":4370315961},{"date":"2026-06-18","current":23.071097,"twenty":11.03685,"median":14.608517,"eighty":18.143684,"marketCap":4366135841},{"date":"2026-06-26","current":23.965668,"twenty":11.036651,"median":14.606065,"eighty":18.250779,"marketCap":4535430720},{"date":"2026-07-02","current":22.872303,"twenty":11.036651,"median":14.606065,"eighty":18.277243,"marketCap":4328514757},{"date":"2026-07-10","current":22.949612,"twenty":11.036651,"median":14.606065,"eighty":18.312599,"marketCap":4343145178},{"date":"2026-07-17","current":23.336155,"twenty":11.036651,"median":14.606065,"eighty":18.346979,"marketCap":4416297287},{"date":"2026-07-24","current":23.358243,"twenty":11.036651,"median":14.606065,"eighty":18.392925,"marketCap":4420477407},{"date":"2026-07-31","current":22.055041,"twenty":11.036452,"median":14.605999,"eighty":18.405894,"marketCap":4173850299},{"date":"2026-08-07","current":22.048147,"twenty":11.036452,"median":14.605999,"eighty":18.440329,"marketCap":4338965058},{"date":"2026-08-14","current":21.697197,"twenty":11.036452,"median":14.605999,"eighty":18.474041,"marketCap":4267990462},{"date":"2026-08-21","current":21.718584,"twenty":11.036452,"median":14.605999,"eighty":18.498227,"marketCap":4272197451},{"date":"2026-08-28","current":21.579568,"twenty":11.036452,"median":14.605999,"eighty":18.522368,"marketCap":4244852022},{"date":"2026-08-31","current":21.16252,"twenty":11.036452,"median":14.605999,"eighty":18.534439,"marketCap":4162815734}],"updateTime":1788258653476},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"MDU\",pageSize:20,pageCount:2,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"20434873","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000092-MDU","pdf_url":"","pub_time":1763614800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000092/0000067716-25-000092-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES EXHIBIT 99 CAP EX","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000092/a2025ex99-capexforecast.htm","primary":true,"translateUrl":"","linkName":"a2025ex99-capexforecast.htm","type":"EX-99","id":"NTFILEEnKK6PJKD9mfxRDM","market":"us","size":26230},{"description":"MDU RESOURCES FORM 8-K CAP EX","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000092/mdu-20251120.htm","primary":false,"translateUrl":"","linkName":"mdu-20251120.htm","type":"8-K","id":"NTFILE4ox73fvHp6jXR7JB","market":"us","size":26603},{"description":"MDUR LOGO HEADER","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000092/mdurlogo.jpg","primary":false,"translateUrl":"","linkName":"mdurlogo.jpg","type":"GRAPHIC","id":"NTFILEFWfw8Q5Fzk5Wczxj","market":"us","size":41111}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-11-20 13:00","pubTimestamp":1763614800,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20389266","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000090-MDU","pdf_url":"","pub_time":1762750800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"MDU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/0000067716-25-000090-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/mdu-20250930.htm","primary":true,"translateUrl":"","linkName":"mdu-20250930.htm","type":"10-Q","id":"NTFILEF2ipuBAgpjmp6kBX","market":"us","size":2416230},{"description":"INTERMOUNTAIN NOTE PURCHASE AGREEMENT","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre.htm","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre.htm","type":"EX-4.A","id":"NTFILEAVtLhm75GN2SeViq","market":"us","size":177586},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/a2025q3ex31a.htm","primary":false,"translateUrl":"","linkName":"a2025q3ex31a.htm","type":"EX-31.A","id":"NTFILEFx6z2vaAQZgPqc4G","market":"us","size":9049},{"description":"CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/a2025q3ex31b.htm","primary":false,"translateUrl":"","linkName":"a2025q3ex31b.htm","type":"EX-31.B","id":"NTFILEAjZRbvZykq4ns3vU","market":"us","size":8642},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/a2025q3ex32.htm","primary":false,"translateUrl":"","linkName":"a2025q3ex32.htm","type":"EX-32","id":"NTFILECJPPLFZGVPmyrCpE","market":"us","size":5267},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre001.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre001.jpg","type":"GRAPHIC","id":"NTFILE4vAJddssb8zQ3mr2","market":"us","size":40676},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre002.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre002.jpg","type":"GRAPHIC","id":"NTFILECDmJ4TBdNGWNy88R","market":"us","size":187816},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre003.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre003.jpg","type":"GRAPHIC","id":"NTFILEHhTPsGTjLePycEPi","market":"us","size":210158},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre004.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre004.jpg","type":"GRAPHIC","id":"NTFILEZ4qAM7eSQh92ooPH","market":"us","size":164079},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre005.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre005.jpg","type":"GRAPHIC","id":"NTFILEBKsCwaEfK7w9sV9B","market":"us","size":61033},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre006.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre006.jpg","type":"GRAPHIC","id":"NTFILEG2U6uUSZYfp4DHJo","market":"us","size":85046},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre007.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre007.jpg","type":"GRAPHIC","id":"NTFILECWHRDZTjBb5sd5TN","market":"us","size":176374},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre008.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre008.jpg","type":"GRAPHIC","id":"NTFILE4GttEBBV8LGS5ffk","market":"us","size":267883},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre009.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre009.jpg","type":"GRAPHIC","id":"NTFILE8GYpGzHYDDxCR9SL","market":"us","size":271824},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre010.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre010.jpg","type":"GRAPHIC","id":"NTFILEAxjuXxEe9BHfircG","market":"us","size":264624},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre011.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre011.jpg","type":"GRAPHIC","id":"NTFILE5LAMrtwwReMfoAFE","market":"us","size":289060},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre012.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre012.jpg","type":"GRAPHIC","id":"NTFILE2AidVjuzz26XqfA5","market":"us","size":271842},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre013.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre013.jpg","type":"GRAPHIC","id":"NTFILE9xW9qG9hsh3KPthJ","market":"us","size":262452},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre014.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre014.jpg","type":"GRAPHIC","id":"NTFILE6RtgXJCvHkf7WUdm","market":"us","size":252081},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre015.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre015.jpg","type":"GRAPHIC","id":"NTFILE5zPQBXPFxXkjyeXT","market":"us","size":230820},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre016.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre016.jpg","type":"GRAPHIC","id":"NTFILEAsN8Am69rHPXJfy1","market":"us","size":283679},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre017.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre017.jpg","type":"GRAPHIC","id":"NTFILE8qA7bhXWizNVHzhQ","market":"us","size":233685},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre018.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre018.jpg","type":"GRAPHIC","id":"NTFILE2wv8Pw83i6qWZtJr","market":"us","size":273563},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre019.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre019.jpg","type":"GRAPHIC","id":"NTFILEAvCi2pskQb95Wtbr","market":"us","size":305471},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre020.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre020.jpg","type":"GRAPHIC","id":"NTFILEfaZPZJuSN911aLXu","market":"us","size":248972},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre021.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre021.jpg","type":"GRAPHIC","id":"NTFILEHVZakvRpXsF4fMqR","market":"us","size":282375},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre022.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre022.jpg","type":"GRAPHIC","id":"NTFILE6T2BcPJEq5RXsSu2","market":"us","size":242254},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre023.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre023.jpg","type":"GRAPHIC","id":"NTFILEEVG9gVz45GW9NaNs","market":"us","size":275758},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre024.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre024.jpg","type":"GRAPHIC","id":"NTFILEJB8e4YMssE7WUjXG","market":"us","size":275413},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre025.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre025.jpg","type":"GRAPHIC","id":"NTFILE5FFYc7yhsj2xCCFy","market":"us","size":305345},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre026.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre026.jpg","type":"GRAPHIC","id":"NTFILEEpfZtiJMnf2DNXdp","market":"us","size":269221},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre027.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre027.jpg","type":"GRAPHIC","id":"NTFILEFH8vgAjqvAQQBqha","market":"us","size":265629},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre028.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre028.jpg","type":"GRAPHIC","id":"NTFILEANXXavWnU1L8oWBN","market":"us","size":267387},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre029.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre029.jpg","type":"GRAPHIC","id":"NTFILEEoZqyqcEJigCzmJD","market":"us","size":264494},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre030.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre030.jpg","type":"GRAPHIC","id":"NTFILEAyKVh5yU5jzL4KJW","market":"us","size":289141},{"description":"","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre031.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre031.jpg","type":"GRAPHIC","id":"NTFILEDVv4TJXz1aRQH63R","market":"us","size":228847},{"description":"","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre032.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre032.jpg","type":"GRAPHIC","id":"NTFILE2zAkxT5Ce1dC5tHz","market":"us","size":249534},{"description":"","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre033.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre033.jpg","type":"GRAPHIC","id":"NTFILE28HjJkRNwA1SMB5x","market":"us","size":294710},{"description":"","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre034.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre034.jpg","type":"GRAPHIC","id":"NTFILE4up8Ado4Eoa7CAc2","market":"us","size":285835},{"description":"","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre035.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre035.jpg","type":"GRAPHIC","id":"NTFILE2523Ci2iw9EyRxho","market":"us","size":235971},{"description":"","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre036.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre036.jpg","type":"GRAPHIC","id":"NTFILE5dxby4n7uAXdYSpv","market":"us","size":281357},{"description":"","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre037.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre037.jpg","type":"GRAPHIC","id":"NTFILE8zxkLz5u8pduApKC","market":"us","size":267367},{"description":"","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre038.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre038.jpg","type":"GRAPHIC","id":"NTFILEAx1UzL13QipSCBhK","market":"us","size":273577},{"description":"","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre039.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre039.jpg","type":"GRAPHIC","id":"NTFILEAAzJzpurybLC36Wp","market":"us","size":302146},{"description":"","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre040.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre040.jpg","type":"GRAPHIC","id":"NTFILECrYFC7vNFLyk7DRh","market":"us","size":275001},{"description":"","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre041.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre041.jpg","type":"GRAPHIC","id":"NTFILEBd7LmuUi7FHMhLy5","market":"us","size":291026},{"description":"","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre042.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre042.jpg","type":"GRAPHIC","id":"NTFILEGvh87RBDHF7EZEu9","market":"us","size":267259},{"description":"","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre043.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre043.jpg","type":"GRAPHIC","id":"NTFILEBcWHwCNghXg4qw4M","market":"us","size":248507},{"description":"","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre044.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre044.jpg","type":"GRAPHIC","id":"NTFILEEjSX4rMDUmGGCbgv","market":"us","size":274869},{"description":"","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre045.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre045.jpg","type":"GRAPHIC","id":"NTFILE68xDBFrzCJ6AtQdD","market":"us","size":251511},{"description":"","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre046.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre046.jpg","type":"GRAPHIC","id":"NTFILEFEofeKB2V1Txdrmu","market":"us","size":316217},{"description":"","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre047.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre047.jpg","type":"GRAPHIC","id":"NTFILE7v58rA6kmBPcbnx1","market":"us","size":279587},{"description":"","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre048.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre048.jpg","type":"GRAPHIC","id":"NTFILERBmr34K6zeXSPN31","market":"us","size":273849},{"description":"","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre049.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre049.jpg","type":"GRAPHIC","id":"NTFILE7Dg3SzJg1zvRpMv1","market":"us","size":238682},{"description":"","seq":60,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre050.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre050.jpg","type":"GRAPHIC","id":"NTFILEDfABr91UTXPXxNBM","market":"us","size":57581},{"description":"","seq":61,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre051.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre051.jpg","type":"GRAPHIC","id":"NTFILEEEY1Svx3HgzMMMGk","market":"us","size":46286},{"description":"","seq":62,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000090/executednotepurchaseagre052.jpg","primary":false,"translateUrl":"","linkName":"executednotepurchaseagre052.jpg","type":"GRAPHIC","id":"NTFILE6wfKtjsxNNp9Qsq4","market":"us","size":48814}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-11-10 13:00","pubTimestamp":1762750800,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20377575","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000087-MDU","pdf_url":"","pub_time":1762405200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000087/0000067716-25-000087-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES EARNINGS RELEASE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000087/a2025q3ex99.htm","primary":true,"translateUrl":"","linkName":"a2025q3ex99.htm","type":"EX-99","id":"NTFILE6zKEUZPBvUBAc5Br","market":"us","size":350049},{"description":"MDU RESOURCES FORM 8-K EARNINGS RELEASE","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000087/mdu-20251106.htm","primary":false,"translateUrl":"","linkName":"mdu-20251106.htm","type":"8-K","id":"NTFILE58FfBsUWR9RvzKqG","market":"us","size":30690},{"description":"MDU RESOURCES LOGO HEADER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000087/header01.jpg","primary":false,"translateUrl":"","linkName":"header01.jpg","type":"GRAPHIC","id":"NTFILE9FZUvKkMkqSL2U5o","market":"us","size":24712}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-11-06 13:00","pubTimestamp":1762405200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19982667","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000083-MDU","pdf_url":"","pub_time":1755057600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000083/0000067716-25-000083-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000083/newsrelease.htm","primary":true,"translateUrl":"","linkName":"newsrelease.htm","type":"EX-99.1","id":"NTFILEFMPLK4gE5SRc3cbE","market":"us","size":10533},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000083/mdu-20250812.htm","primary":false,"translateUrl":"","linkName":"mdu-20250812.htm","type":"8-K","id":"NTFILE8Gub7bHbwerm7ozx","market":"us","size":32926},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000083/image_0a.jpg","primary":false,"translateUrl":"","linkName":"image_0a.jpg","type":"GRAPHIC","id":"NTFILEHEJ5J4xgkcHiNwJJ","market":"us","size":20242}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-08-13 12:00","pubTimestamp":1755057600,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19961911","market":"us","labels":[],"media":"sec.gov","original_id":"AN153949725002057-MDU","pdf_url":"","pub_time":1754539200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000153949725002057/0001539497-25-002057-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"DISTRIBUTION AGREEMENT, DATED AUGUST 7, 2025","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000153949725002057/exh_1-1distributionagreement.htm","primary":true,"translateUrl":"","linkName":"exh_1-1distributionagreement.htm","type":"EX-1.1","id":"NTFILE3zae1VqFHKDNqJno","market":"us","size":294641},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000153949725002057/n5198_x3-8k.htm","primary":false,"translateUrl":"","linkName":"n5198_x3-8k.htm","type":"8-K","id":"NTFILE93MfJYZfD9gyceJw","market":"us","size":36997},{"description":"FORM OF MASTER FORWARD SALE CONFIRMATION","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000153949725002057/exh1-2_forwardconfirm.htm","primary":false,"translateUrl":"","linkName":"exh1-2_forwardconfirm.htm","type":"EX-1.2","id":"NTFILEFfn1w8B5p4nwhHrv","market":"us","size":248099},{"description":"OPINION OF PERKINS COIE LLP","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000153949725002057/exh5-1_opinion.htm","primary":false,"translateUrl":"","linkName":"exh5-1_opinion.htm","type":"EX-5.1","id":"NTFILEACgh6hyQtxMv31aA","market":"us","size":7845},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000153949725002057/perkins_coie.jpg","primary":false,"translateUrl":"","linkName":"perkins_coie.jpg","type":"GRAPHIC","id":"NTFILEJ65zg6ArisAARxh2","market":"us","size":16053}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-08-07 12:00","pubTimestamp":1754539200,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19959845","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000074-MDU","pdf_url":"","pub_time":1754539200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"MDU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000074/0000067716-25-000074-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000074/mdu-20250630.htm","primary":true,"translateUrl":"","linkName":"mdu-20250630.htm","type":"10-Q","id":"NTFILEATkS1hRj3jZzqKsR","market":"us","size":2332177},{"description":"MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000074/a2025q2ex31a.htm","primary":false,"translateUrl":"","linkName":"a2025q2ex31a.htm","type":"EX-31.A","id":"NTFILE3tbK3FwC6iBX1EWu","market":"us","size":9060},{"description":"MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000074/a2025q2ex31b.htm","primary":false,"translateUrl":"","linkName":"a2025q2ex31b.htm","type":"EX-31.B","id":"NTFILE6aqCMzeJCszK1UZg","market":"us","size":8653},{"description":"MDU RESOURCES CERTIFICATION OF CEO AND CFO","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000074/a2025q2ex32.htm","primary":false,"translateUrl":"","linkName":"a2025q2ex32.htm","type":"EX-32","id":"NTFILE2FXJySuFKhji2omY","market":"us","size":5233}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-08-07 12:00","pubTimestamp":1754539200,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19959813","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000073-MDU","pdf_url":"","pub_time":1754539200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000073/0000067716-25-000073-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES EARNINGS RELEASE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000073/a2025q2ex99.htm","primary":true,"translateUrl":"","linkName":"a2025q2ex99.htm","type":"EX-99","id":"NTFILEUm29rVh5RuXe5uqx","market":"us","size":356751},{"description":"MDU RESOURCES FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000073/mdu-20250807.htm","primary":false,"translateUrl":"","linkName":"mdu-20250807.htm","type":"8-K","id":"NTFILEEsWhQqBgyhAVw5CJ","market":"us","size":30428},{"description":"MDU RESOURCES GROUP, INC. LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000073/header01a.jpg","primary":false,"translateUrl":"","linkName":"header01a.jpg","type":"GRAPHIC","id":"NTFILEFbbJd8EzkTj1MBtJ","market":"us","size":24712}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-08-07 12:00","pubTimestamp":1754539200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19798546","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000064-MDU","pdf_url":"","pub_time":1750651200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K/A - Annual report of employee stock purchase, savings and similar plans: [Amend]","symbol":"MDU","title":"Form 11-K/A - Annual report of employee stock purchase, savings and similar plans: [Amend]","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000064/0000067716-25-000064-index.htm","us_notice_code":"Form 11-K/A","us_title_en":"Form 11-K/A - Annual report of employee stock purchase, savings and similar plans: [Amend]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES GROUP, INC. FORM 11-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000064/a2024form11-ka.htm","primary":true,"translateUrl":"","linkName":"a2024form11-ka.htm","type":"11-K/A","id":"NTFILE2N2avdB5xRVTHt2C","market":"us","size":204081},{"description":"EX-23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000064/a2024form11-kex231.htm","primary":false,"translateUrl":"","linkName":"a2024form11-kex231.htm","type":"EX-23.1","id":"NTFILEAekxPzK3Y68Skt3H","market":"us","size":1900}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2025-06-23 12:00","pubTimestamp":1750651200,"title_zh":"Form 11-K/A - Annual report of employee stock purchase, savings and similar plans: [Amend","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19785665","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000061-MDU","pdf_url":"","pub_time":1750219200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"MDU","title":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000061/0000067716-25-000061-index.htm","us_notice_code":"Form 11-K","us_title_en":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES GROUP, INC. FORM 11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000061/a2024form11-k.htm","primary":true,"translateUrl":"","linkName":"a2024form11-k.htm","type":"11-K","id":"NTFILEAvfCQyTbentmAuh6","market":"us","size":203770},{"description":"EX-23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000061/a2024form11-kex231.htm","primary":false,"translateUrl":"","linkName":"a2024form11-kex231.htm","type":"EX-23.1","id":"NTFILE2rSyjNvMJ2TEoAky","market":"us","size":1900}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2025-06-18 12:00","pubTimestamp":1750219200,"title_zh":"Form 11-K - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19650805","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000052-MDU","pdf_url":"","pub_time":1747281600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/0000067716-25-000052-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.05: Amendments to the Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101.htm","primary":true,"translateUrl":"","linkName":"exhibit101.htm","type":"EX-10.1","id":"NTFILE5BKT4nwc3GMbtNV4","market":"us","size":50342},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/mdu-20250513.htm","primary":false,"translateUrl":"","linkName":"mdu-20250513.htm","type":"8-K","id":"NTFILE6gW6EbFuBSjygZo7","market":"us","size":60550},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101001.jpg","primary":false,"translateUrl":"","linkName":"exhibit101001.jpg","type":"GRAPHIC","id":"NTFILEDUu1Fntvz6g1GAPP","market":"us","size":252909},{"description":"","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101002.jpg","primary":false,"translateUrl":"","linkName":"exhibit101002.jpg","type":"GRAPHIC","id":"NTFILEGf54RXknX94ksasY","market":"us","size":301956},{"description":"","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101003.jpg","primary":false,"translateUrl":"","linkName":"exhibit101003.jpg","type":"GRAPHIC","id":"NTFILEDSDrceRLBTQyHRs2","market":"us","size":333159},{"description":"","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101004.jpg","primary":false,"translateUrl":"","linkName":"exhibit101004.jpg","type":"GRAPHIC","id":"NTFILEGjbuLMhPXZRUzcks","market":"us","size":357271},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101005.jpg","primary":false,"translateUrl":"","linkName":"exhibit101005.jpg","type":"GRAPHIC","id":"NTFILEDwhsstPzNRqZyUKv","market":"us","size":352823},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101006.jpg","primary":false,"translateUrl":"","linkName":"exhibit101006.jpg","type":"GRAPHIC","id":"NTFILEHU54pY7TXDLwFS9z","market":"us","size":336542},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101007.jpg","primary":false,"translateUrl":"","linkName":"exhibit101007.jpg","type":"GRAPHIC","id":"NTFILE3m68QaEoo4ydQiBQ","market":"us","size":361738},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101008.jpg","primary":false,"translateUrl":"","linkName":"exhibit101008.jpg","type":"GRAPHIC","id":"NTFILE9RhZgiK4R8Pc2dYE","market":"us","size":319230},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000052/exhibit101009.jpg","primary":false,"translateUrl":"","linkName":"exhibit101009.jpg","type":"GRAPHIC","id":"NTFILEDJ4ZJAcPQQ75damh","market":"us","size":275546}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-05-15 12:00","pubTimestamp":1747281600,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.05: Amendments to the Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19616407","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000042-MDU","pdf_url":"","pub_time":1746676800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"MDU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000042/0000067716-25-000042-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000042/mdu-20250331.htm","primary":true,"translateUrl":"","linkName":"mdu-20250331.htm","type":"10-Q","id":"NTFILEF3BPbvhPN1GWHDev","market":"us","size":1746049},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000042/a2025q3ex31a.htm","primary":false,"translateUrl":"","linkName":"a2025q3ex31a.htm","type":"EX-31.A","id":"NTFILEDjHcTcM23A533HEA","market":"us","size":9198},{"description":"CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000042/a2025q1ex31b.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex31b.htm","type":"EX-31.B","id":"NTFILEE2ZHxenQWD82XVvb","market":"us","size":8786},{"description":"CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000042/a2025q1ex32.htm","primary":false,"translateUrl":"","linkName":"a2025q1ex32.htm","type":"EX-32","id":"NTFILEFEVxfcpJSDgSjkSR","market":"us","size":5337}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-05-08 12:00","pubTimestamp":1746676800,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19616382","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000041-MDU","pdf_url":"","pub_time":1746676800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000041/0000067716-25-000041-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES EARNINGS RELEASE","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000041/a2025q1ex99.htm","primary":true,"translateUrl":"","linkName":"a2025q1ex99.htm","type":"EX-99","id":"NTFILEEs3c5YCWJ8Rd7CVd","market":"us","size":245488},{"description":"MDU RESOURCES FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000041/mdu-20250508.htm","primary":false,"translateUrl":"","linkName":"mdu-20250508.htm","type":"8-K","id":"NTFILE85BC5BxV1EhFUGpj","market":"us","size":31229},{"description":"MDU RESOURCES GROUP, INC. LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000041/header01.jpg","primary":false,"translateUrl":"","linkName":"header01.jpg","type":"GRAPHIC","id":"NTFILEDke6oVdQmUExuPzt","market":"us","size":24712}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-05-08 12:00","pubTimestamp":1746676800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19128967","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000016-MDU","pdf_url":"","pub_time":1740027600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"MDU","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/0000067716-25-000016-index.htm","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231.htm","primary":true,"translateUrl":"","linkName":"mdu-20241231.htm","type":"10-K","id":"NTFILEDAp9Jw1Ziuq2VniL","market":"us","size":4069713},{"description":"MDU RESOURCES DIRECTOR COMPENSATION POLICY","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex10i-directorcompens.htm","primary":false,"translateUrl":"","linkName":"a2024ex10i-directorcompens.htm","type":"EX-10.(I)","id":"NTFILE8d5gsm454y4JkVR8","market":"us","size":37182},{"description":"MDU RESOURCES EXECUTIVE INCENTIVE COMPENSATION PLAN AMENDED 2-13-2025","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex10n-eicpplanx2025re.htm","primary":false,"translateUrl":"","linkName":"a2024ex10n-eicpplanx2025re.htm","type":"EX-10.(N)","id":"NTFILEDEWHgtLiZcGLV5XV","market":"us","size":30080},{"description":"MDU RESOURCES LONG-TERM PERFORMANCE-BASED INCENTIVE PLAN - ABSOLUTE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex10o-mdultipabsolute.htm","primary":false,"translateUrl":"","linkName":"a2024ex10o-mdultipabsolute.htm","type":"EX-10.(O)","id":"NTFILEGuECAu9HU5VWixC5","market":"us","size":35207},{"description":"MDU RESOURCES LONG-TERM PERFORMANCE-BASED INCENTIVE PLAN - TSR","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex10p-mdultiprelative.htm","primary":false,"translateUrl":"","linkName":"a2024ex10p-mdultiprelative.htm","type":"EX-10.(P)","id":"NTFILE6EThsEkfARaiQUSb","market":"us","size":46760},{"description":"MDU RESOURCES RESTRICTED STOCK UNIT AWARD AGREEMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex-mdurestrictedstock.htm","primary":false,"translateUrl":"","linkName":"a2024ex-mdurestrictedstock.htm","type":"EX-10.(Q)","id":"NTFILE9tzDAh8fL7kpna4P","market":"us","size":33765},{"description":"MDU RESOURCES INSIDER TRADING POLICY","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex19-insidertradingpo.htm","primary":false,"translateUrl":"","linkName":"a2024ex19-insidertradingpo.htm","type":"EX-19","id":"NTFILEFFKcuHY6sAk5WcgT","market":"us","size":58040},{"description":"SUBSIDIARIES OF MDU RESOURCES GROUP, INC.","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex21.htm","primary":false,"translateUrl":"","linkName":"a2024ex21.htm","type":"EX-21","id":"NTFILEF9E6M7ZVtuZ5Hb9y","market":"us","size":14793},{"description":"MDU RESOURCES CONSENT OF INDEPENDENT ACCOUNTING FIRM","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex23.htm","primary":false,"translateUrl":"","linkName":"a2024ex23.htm","type":"EX-23","id":"NTFILEHtTXbGhKUABPGqXP","market":"us","size":2118},{"description":"MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex31a.htm","primary":false,"translateUrl":"","linkName":"a2024ex31a.htm","type":"EX-31.A","id":"NTFILE3Szh1xnnqD5KCKN2","market":"us","size":8539},{"description":"MDU RECOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex31b.htm","primary":false,"translateUrl":"","linkName":"a2024ex31b.htm","type":"EX-31.B","id":"NTFILE7fXexcWHnxN9ZjbH","market":"us","size":8521},{"description":"MDU RESOURCES CERTIFICATION OF CEO AND CFO","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/a2024ex32.htm","primary":false,"translateUrl":"","linkName":"a2024ex32.htm","type":"EX-32","id":"NTFILE5yhKwyUSK7DurweU","market":"us","size":5665},{"description":"MDU RESOURCES GROUP, INC. LOGO","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/image_1.jpg","primary":false,"translateUrl":"","linkName":"image_1.jpg","type":"GRAPHIC","id":"NTFILEHHHzmgZyAA5561j7","market":"us","size":23527},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g1.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g1.jpg","type":"GRAPHIC","id":"NTFILEAUhg8RhUTy24zqTt","market":"us","size":128809},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g2.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g2.jpg","type":"GRAPHIC","id":"NTFILE9eXhQuN6wKTx8nxA","market":"us","size":594202},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g3.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g3.jpg","type":"GRAPHIC","id":"NTFILEC138UbDXRD95cpLY","market":"us","size":419799},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g4.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g4.jpg","type":"GRAPHIC","id":"NTFILEESPT7AAZzFUK6oqm","market":"us","size":341144},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g5.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g5.jpg","type":"GRAPHIC","id":"NTFILE89qCx3j2ix6NTKDL","market":"us","size":138384},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g6.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g6.jpg","type":"GRAPHIC","id":"NTFILEFpc8fZfc16Tmvuxf","market":"us","size":524955},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g7.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g7.jpg","type":"GRAPHIC","id":"NTFILE692gLBTukobQqRyk","market":"us","size":574187},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000016/mdu-20241231_g8.jpg","primary":false,"translateUrl":"","linkName":"mdu-20241231_g8.jpg","type":"GRAPHIC","id":"NTFILEFp1yaYsFYUnTw87h","market":"us","size":273811}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2025-02-20 13:00","pubTimestamp":1740027600,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19128973","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000012-MDU","pdf_url":"","pub_time":1739509200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/0000067716-25-000012-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws.htm","primary":true,"translateUrl":"","linkName":"exhibit31mdurbylaws.htm","type":"EX-3.1","id":"NTFILE8KX86rXpq7V57pTr","market":"us","size":113790},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/mdu-20250214.htm","primary":false,"translateUrl":"","linkName":"mdu-20250214.htm","type":"8-K","id":"NTFILE4NGbNkdmMFH8Fsb4","market":"us","size":43403},{"description":"EX-10.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa.htm","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa.htm","type":"EX-10.1","id":"NTFILE9ZgUM6xuzXk7dg6o","market":"us","size":129592},{"description":"EX-99.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit991badgerwindpressr.htm","primary":false,"translateUrl":"","linkName":"exhibit991badgerwindpressr.htm","type":"EX-99.1","id":"NTFILE5ruAeEUqHffqDGfX","market":"us","size":10833},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa001.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa001.jpg","type":"GRAPHIC","id":"NTFILET8KnaRFKravvchfH","market":"us","size":40435},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa002.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa002.jpg","type":"GRAPHIC","id":"NTFILEDZ5tGxNUHExoGEKo","market":"us","size":217538},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa003.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa003.jpg","type":"GRAPHIC","id":"NTFILE2bPRkHtDT8vBrzUw","market":"us","size":205228},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa004.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa004.jpg","type":"GRAPHIC","id":"NTFILE5BsSusT126HmdDks","market":"us","size":203799},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa005.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa005.jpg","type":"GRAPHIC","id":"NTFILE61qqh3amL8Q3kxPh","market":"us","size":223406},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa006.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa006.jpg","type":"GRAPHIC","id":"NTFILEBdGkArRoEWpJsf5R","market":"us","size":209993},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa007.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa007.jpg","type":"GRAPHIC","id":"NTFILEGJaTpGxUsCLf2xVU","market":"us","size":259683},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa008.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa008.jpg","type":"GRAPHIC","id":"NTFILE8zpDjNjYoRTCZKsu","market":"us","size":238879},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa009.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa009.jpg","type":"GRAPHIC","id":"NTFILEGUqoUXcAqWgKY5LB","market":"us","size":260226},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa010.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa010.jpg","type":"GRAPHIC","id":"NTFILE5KR2qV6FFckFwpt1","market":"us","size":210810},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa011.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa011.jpg","type":"GRAPHIC","id":"NTFILEJ6Nw9evnmbctWyHJ","market":"us","size":194747},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa012.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa012.jpg","type":"GRAPHIC","id":"NTFILE8osYUHAnt6KmrCzk","market":"us","size":195387},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa013.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa013.jpg","type":"GRAPHIC","id":"NTFILE8uPBdDJr6VAmMFaR","market":"us","size":213443},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa014.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa014.jpg","type":"GRAPHIC","id":"NTFILE8g2Pbd27xZYF11Ad","market":"us","size":300564},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa015.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa015.jpg","type":"GRAPHIC","id":"NTFILEGtWJBU3f5SFcifnz","market":"us","size":197917},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa016.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa016.jpg","type":"GRAPHIC","id":"NTFILE3DQi14nZYpLh58TK","market":"us","size":268307},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa017.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa017.jpg","type":"GRAPHIC","id":"NTFILEDA8wFFkeNrk1SMY3","market":"us","size":283354},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa018.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa018.jpg","type":"GRAPHIC","id":"NTFILE3LTiWzxA84YbtzhB","market":"us","size":241775},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa019.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa019.jpg","type":"GRAPHIC","id":"NTFILE3SU6gG7D3QYbSmCY","market":"us","size":240303},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa020.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa020.jpg","type":"GRAPHIC","id":"NTFILEH1CYKLuUXmg8Vugo","market":"us","size":209519},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa021.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa021.jpg","type":"GRAPHIC","id":"NTFILE6QWRAbXQoz2rQVzv","market":"us","size":235950},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa022.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa022.jpg","type":"GRAPHIC","id":"NTFILE5oEQ4XaHxfzoCPja","market":"us","size":248920},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa023.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa023.jpg","type":"GRAPHIC","id":"NTFILEALrf21VaXiiM5ok2","market":"us","size":261132},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa024.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa024.jpg","type":"GRAPHIC","id":"NTFILEErvypxrATrnLSLah","market":"us","size":242828},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa025.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa025.jpg","type":"GRAPHIC","id":"NTFILEG6pwr5KVLK2Cyoxc","market":"us","size":252720},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa026.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa026.jpg","type":"GRAPHIC","id":"NTFILEEMmEtan7ghT9JNaF","market":"us","size":255909},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa027.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa027.jpg","type":"GRAPHIC","id":"NTFILEAmg39j5PeT3wAjYw","market":"us","size":189758},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa028.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa028.jpg","type":"GRAPHIC","id":"NTFILE4f2781Gv6UHtj7US","market":"us","size":214199},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa029.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa029.jpg","type":"GRAPHIC","id":"NTFILEHCpfJPJQGeXPFAhc","market":"us","size":288813},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa030.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa030.jpg","type":"GRAPHIC","id":"NTFILE34Sm8K1gpna8wfKt","market":"us","size":305205},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa031.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa031.jpg","type":"GRAPHIC","id":"NTFILE22qk7z6F6dxUCzwF","market":"us","size":304077},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa032.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa032.jpg","type":"GRAPHIC","id":"NTFILECiasbmXZBEEa9iy1","market":"us","size":209715},{"description":"","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa033.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa033.jpg","type":"GRAPHIC","id":"NTFILECiQm1NQiC5UXwaoX","market":"us","size":215099},{"description":"","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa034.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa034.jpg","type":"GRAPHIC","id":"NTFILEADbwNtjdGYMqR32X","market":"us","size":212544},{"description":"","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa035.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa035.jpg","type":"GRAPHIC","id":"NTFILE9RUHsFrSAnYMxBuX","market":"us","size":242156},{"description":"","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa036.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa036.jpg","type":"GRAPHIC","id":"NTFILE6VUmp9vLkp2pyhYn","market":"us","size":267536},{"description":"","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa037.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa037.jpg","type":"GRAPHIC","id":"NTFILEGYQx5RgPGmVPEGHm","market":"us","size":293752},{"description":"","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa038.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa038.jpg","type":"GRAPHIC","id":"NTFILEB7aYmY8ieFbDVPhX","market":"us","size":100944},{"description":"","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa039.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa039.jpg","type":"GRAPHIC","id":"NTFILE7mEdmjxUnjdJYbrq","market":"us","size":49585},{"description":"","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/badgerwind-purchaseandsa040.jpg","primary":false,"translateUrl":"","linkName":"badgerwind-purchaseandsa040.jpg","type":"GRAPHIC","id":"NTFILE6u1CVKDBV9FL2R9T","market":"us","size":40050},{"description":"","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws001.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws001.jpg","type":"GRAPHIC","id":"NTFILE4QmyL6XwpKJBUgc6","market":"us","size":37402},{"description":"","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws002.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws002.jpg","type":"GRAPHIC","id":"NTFILEAJPPaH7nHQgVU2PW","market":"us","size":51882},{"description":"","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws003.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws003.jpg","type":"GRAPHIC","id":"NTFILE51BvPTiXHAG1ehzi","market":"us","size":164927},{"description":"","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws004.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws004.jpg","type":"GRAPHIC","id":"NTFILECP5TwGydayqiPGrH","market":"us","size":270122},{"description":"","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws005.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws005.jpg","type":"GRAPHIC","id":"NTFILEFAPFNT9f3jwTvGHz","market":"us","size":301084},{"description":"","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws006.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws006.jpg","type":"GRAPHIC","id":"NTFILEAez7zPmPaKF6GQys","market":"us","size":312956},{"description":"","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws007.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws007.jpg","type":"GRAPHIC","id":"NTFILEAwQbzzT65psQRemm","market":"us","size":321573},{"description":"","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws008.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws008.jpg","type":"GRAPHIC","id":"NTFILE5r4N7x7Rdcr4njhr","market":"us","size":326352},{"description":"","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws009.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws009.jpg","type":"GRAPHIC","id":"NTFILEFn64cbYRJ6ikz5go","market":"us","size":316654},{"description":"","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws010.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws010.jpg","type":"GRAPHIC","id":"NTFILE97SKMwD7JDDM1qNy","market":"us","size":272093},{"description":"","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws011.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws011.jpg","type":"GRAPHIC","id":"NTFILE9K9DLQfjwkUPXp4j","market":"us","size":319750},{"description":"","seq":60,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws012.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws012.jpg","type":"GRAPHIC","id":"NTFILE5H16C6KR2ubQEZXg","market":"us","size":328631},{"description":"","seq":61,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws013.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws013.jpg","type":"GRAPHIC","id":"NTFILEHRFN61YEQj2AWW67","market":"us","size":277650},{"description":"","seq":62,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws014.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws014.jpg","type":"GRAPHIC","id":"NTFILE7vYptw1qgVu74XUd","market":"us","size":290561},{"description":"","seq":63,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws015.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws015.jpg","type":"GRAPHIC","id":"NTFILEBVf6nP15ftz5xHJv","market":"us","size":284757},{"description":"","seq":64,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws016.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws016.jpg","type":"GRAPHIC","id":"NTFILEAXaBMV5oJk1qskfL","market":"us","size":281875},{"description":"","seq":65,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws017.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws017.jpg","type":"GRAPHIC","id":"NTFILE2ouUdHivYoaY7TNm","market":"us","size":214771},{"description":"","seq":66,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws018.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws018.jpg","type":"GRAPHIC","id":"NTFILEBAGN1DL8ZgacjUyb","market":"us","size":208537},{"description":"","seq":67,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws019.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws019.jpg","type":"GRAPHIC","id":"NTFILE7RC3dwECneDBNeL9","market":"us","size":246032},{"description":"","seq":68,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws020.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws020.jpg","type":"GRAPHIC","id":"NTFILECB6hCJL5UCePr2Xi","market":"us","size":239410},{"description":"","seq":69,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws021.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws021.jpg","type":"GRAPHIC","id":"NTFILE9spZ4V6Wa2idKS67","market":"us","size":197841},{"description":"","seq":70,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws022.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws022.jpg","type":"GRAPHIC","id":"NTFILE7d1VXHUVgA4vSmWb","market":"us","size":254099},{"description":"","seq":71,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws023.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws023.jpg","type":"GRAPHIC","id":"NTFILEDBt8E9Ro1FPbj2cM","market":"us","size":297425},{"description":"","seq":72,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws024.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws024.jpg","type":"GRAPHIC","id":"NTFILE5NACygKDfLLx19HF","market":"us","size":258555},{"description":"","seq":73,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws025.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws025.jpg","type":"GRAPHIC","id":"NTFILEHkjtStCuhjwMR7y8","market":"us","size":255556},{"description":"","seq":74,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws026.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws026.jpg","type":"GRAPHIC","id":"NTFILE3MzFPdXPK8cvU8Yj","market":"us","size":258595},{"description":"","seq":75,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws027.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws027.jpg","type":"GRAPHIC","id":"NTFILEASxAWm6qhnmLxSDw","market":"us","size":274771},{"description":"","seq":76,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws028.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws028.jpg","type":"GRAPHIC","id":"NTFILE2RzUDZXq5ynMgNc6","market":"us","size":272447},{"description":"","seq":77,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws029.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws029.jpg","type":"GRAPHIC","id":"NTFILE89GCkcRhD7N9CyxM","market":"us","size":278761},{"description":"","seq":78,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws030.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws030.jpg","type":"GRAPHIC","id":"NTFILE5MbEw3JM43SB9jDm","market":"us","size":270202},{"description":"","seq":79,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws031.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws031.jpg","type":"GRAPHIC","id":"NTFILE258CHMutJg7Tgmte","market":"us","size":269693},{"description":"","seq":80,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/exhibit31mdurbylaws032.jpg","primary":false,"translateUrl":"","linkName":"exhibit31mdurbylaws032.jpg","type":"GRAPHIC","id":"NTFILEByzhmvZrF5N2UpC5","market":"us","size":32817},{"description":"","seq":81,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/image.jpg","primary":false,"translateUrl":"","linkName":"image.jpg","type":"GRAPHIC","id":"NTFILEcFNFVnzJpp4AuHWX","market":"us","size":14363}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-02-14 13:00","pubTimestamp":1739509200,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19149198","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771625000007-MDU","pdf_url":"","pub_time":1738818000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000007/0000067716-25-000007-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES GROUP, INC. EX 99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000007/a2024earningsreleaseex-99.htm","primary":true,"translateUrl":"","linkName":"a2024earningsreleaseex-99.htm","type":"EX-99","id":"NTFILE7k3KnK9JZsimG7cR","market":"us","size":414825},{"description":"MDU RESOURCES GROUP, INC. FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000007/mdu-20250206.htm","primary":false,"translateUrl":"","linkName":"mdu-20250206.htm","type":"8-K","id":"NTFILEAh1MLBhNtoJ4gRgt","market":"us","size":33114},{"description":"MDU RESOURCES GROUP, INC. LOGO","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000007/mdurlogoa.jpg","primary":false,"translateUrl":"","linkName":"mdurlogoa.jpg","type":"GRAPHIC","id":"NTFILE7Cm18PaAgdhWeDkc","market":"us","size":41111}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-02-06 13:00","pubTimestamp":1738818000,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18861252","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771624000113-MDU","pdf_url":"","pub_time":1732165200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000113/0000067716-24-000113-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES EXHIBIT 99 CAP EX","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000113/a2024ex99-capexforecast.htm","primary":true,"translateUrl":"","linkName":"a2024ex99-capexforecast.htm","type":"EX-99","id":"NTFILE5Lru9dK22kBok2z3","market":"us","size":22145},{"description":"MDU RESOURCES FORM 8-K CAP EX","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000113/mdu-20241121.htm","primary":false,"translateUrl":"","linkName":"mdu-20241121.htm","type":"8-K","id":"NTFILEFUjhtuPZWjm6UsBf","market":"us","size":26296},{"description":"MDU RESOURCES GROUP, INC. LOGO - 100 YEARS","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000113/enrheader-100years.jpg","primary":false,"translateUrl":"","linkName":"enrheader-100years.jpg","type":"GRAPHIC","id":"NTFILEBa9HNNwY4C3D97wY","market":"us","size":84230}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-11-21 13:00","pubTimestamp":1732165200,"title_zh":"Form 8-K - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18835575","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771624000111-MDU","pdf_url":"","pub_time":1731560400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000111/0000067716-24-000111-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000111/a2024exhibit99dosch.htm","primary":true,"translateUrl":"","linkName":"a2024exhibit99dosch.htm","type":"EX-99.1","id":"NTFILE4Ci5GhmQ3RA6wphJ","market":"us","size":9824},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000111/mdu-20241114.htm","primary":false,"translateUrl":"","linkName":"mdu-20241114.htm","type":"8-K","id":"NTFILED1vwXLRfuNjgSeiu","market":"us","size":31194},{"description":"EXHIBIT 99.1 GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000111/mdurlogo.jpg","primary":false,"translateUrl":"","linkName":"mdurlogo.jpg","type":"GRAPHIC","id":"NTFILEGXTBaffbVu24iSJy","market":"us","size":41111}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-11-14 13:00","pubTimestamp":1731560400,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18806440","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771624000107-MDU","pdf_url":"","pub_time":1730955600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"MDU","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000107/0000067716-24-000107-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES FORM 10-Q 09-30-2024","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000107/mdu-20240930.htm","primary":true,"translateUrl":"","linkName":"mdu-20240930.htm","type":"10-Q","id":"NTFILE3WwM4PJmZLo8vMLe","market":"us","size":2669347},{"description":"MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000107/a2024q3ex31a.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex31a.htm","type":"EX-31.A","id":"NTFILEDP4LoX5bLa6ZaFTb","market":"us","size":9220},{"description":"MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000107/a2024q3ex31b.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex31b.htm","type":"EX-31.B","id":"NTFILE9zCeH6SMVkrZ8R6J","market":"us","size":8838},{"description":"MDU RESOURCES CERTIFICATION OF CEO AND CFO","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000107/a2024q3ex32.htm","primary":false,"translateUrl":"","linkName":"a2024q3ex32.htm","type":"EX-32","id":"NTFILED8Ku42wHL5WjAGHn","market":"us","size":5380}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2024-11-07 13:00","pubTimestamp":1730955600,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18806411","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771624000105-MDU","pdf_url":"","pub_time":1730955600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000105/0000067716-24-000105-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES GROUP, INC. EX 99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000105/a2024q3ex99.htm","primary":true,"translateUrl":"","linkName":"a2024q3ex99.htm","type":"EX-99","id":"NTFILE6SRXgCA3oU1wBqAk","market":"us","size":543724},{"description":"MDU RESOURCES GROUP, INC. FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000105/mdu-20241107.htm","primary":false,"translateUrl":"","linkName":"mdu-20241107.htm","type":"8-K","id":"NTFILE2zDhw1ER75R6E889","market":"us","size":24104},{"description":"MDU RESOURCES GROUP, INC. LOGO - 100 YEARS","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000105/enrheader-100yearsa.jpg","primary":false,"translateUrl":"","linkName":"enrheader-100yearsa.jpg","type":"GRAPHIC","id":"NTFILEDNCE7xGEKKoGnVDg","market":"us","size":84230}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-11-07 13:00","pubTimestamp":1730955600,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"18804330","market":"us","labels":[],"media":"sec.gov","original_id":"AN6771624000100-MDU","pdf_url":"","pub_time":1730857096000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"MDU","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/67716/0000067716-24-000100-index.html","us_notice_code":"Form 8-K","us_title_en":"Item 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"MDU RESOURCES GROUP, INC. EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000100/a2024ex991-mdurdisposition.htm","primary":true,"translateUrl":"","linkName":"a2024ex991-mdurdisposition.htm","type":"EX-99.1","id":"NTFILECeM27uLRz3WB352i","market":"us","size":340692},{"description":"MDU RESOURCES GROUP, INC. FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000100/mdu-20241031.htm","primary":false,"translateUrl":"","linkName":"mdu-20241031.htm","type":"8-K","id":"NTFILECf4QeXhdCoknkghF","market":"us","size":26085}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2024-11-06 09:38","pubTimestamp":1730857096,"title_zh":"Form 8-K - Current report","summary_en":"Item 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":11,"pageCount":2,"totalSize":217,"code":"91000000","status":"200"}]}}