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| 0000950170-22-007631.txt | 2022-05-05 11:23:19 | |
 0000950170-22-007631-xbrl.zip | 306626 | 2022-05-05 11:23:19 |
| FilingSummary.xml | 38268 | 2022-05-05 11:23:19 |
| Financial_Report.xlsx | 96977 | 2022-05-05 11:23:19 |
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| mgee-20220331.htm | 3932669 | 2022-05-05 11:23:19 |
| mgee-20220331.xsd | 73073 | 2022-05-05 11:23:19 |
| mgee-20220331_cal.xml | 59275 | 2022-05-05 11:23:19 |
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| mgee-20220331_lab.xml | 585018 | 2022-05-05 11:23:19 |
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| report.css | 2767 | 2022-05-05 11:23:19 |
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