Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001161728-15-000003-index-headers.html | 2015-02-26 12:21:20 | |
| 0001161728-15-000003-index.html | 2015-02-26 12:21:20 | |
| 0001161728-15-000003.txt | 2015-02-26 12:21:20 | |
 0001161728-15-000003-xbrl.zip | 446176 | 2015-02-26 12:21:20 |
| 641496 | 2015-02-26 12:21:20 | |
| ex12_1.htm | 5760 | 2015-02-26 12:21:20 |
| ex12_2.htm | 6057 | 2015-02-26 12:21:20 |
| ex21.htm | 5194 | 2015-02-26 12:21:20 |
| ex23_1.htm | 1463 | 2015-02-26 12:21:20 |
| ex23_2.htm | 1416 | 2015-02-26 12:21:20 |
| ex31_1.htm | 6880 | 2015-02-26 12:21:20 |
| ex31_2.htm | 6970 | 2015-02-26 12:21:20 |
| ex31_3.htm | 6895 | 2015-02-26 12:21:20 |
| ex31_4.htm | 6986 | 2015-02-26 12:21:20 |
| ex32_1.htm | 2976 | 2015-02-26 12:21:20 |
| ex32_2.htm | 3045 | 2015-02-26 12:21:20 |
| ex32_3.htm | 2991 | 2015-02-26 12:21:20 |
| ex32_4.htm | 3060 | 2015-02-26 12:21:20 |
| f10k_2014.htm | 2225008 | 2015-02-26 12:21:20 |
 f10k_2014002.gif | 775509 | 2015-02-26 12:21:20 |
| FilingSummary.xml | 59745 | 2015-02-26 12:21:20 |
| Financial_Report.xls | 3787154 | 2015-02-26 12:21:20 |
| Financial_Report.xlsx | 420686 | 2015-02-26 12:21:20 |
| mgee-20141231.xml | 4663928 | 2015-02-26 12:21:20 |
| mgee-20141231.xsd | 137522 | 2015-02-26 12:21:20 |
| mgee-20141231_cal.xml | 201810 | 2015-02-26 12:21:20 |
| mgee-20141231_def.xml | 974045 | 2015-02-26 12:21:20 |
| mgee-20141231_lab.xml | 1060109 | 2015-02-26 12:21:20 |
| mgee-20141231_pre.xml | 1222465 | 2015-02-26 12:21:20 |
| R1.htm | 43234 | 2015-02-26 12:21:20 |
| R10.htm | 34175 | 2015-02-26 12:21:20 |
| R100.htm | 62808 | 2015-02-26 12:21:20 |
| R101.htm | 13034 | 2015-02-26 12:21:20 |
| R102.htm | 79534 | 2015-02-26 12:21:20 |
| R103.htm | 11574 | 2015-02-26 12:21:20 |
| R104.htm | 60438 | 2015-02-26 12:21:20 |
| R105.htm | 125782 | 2015-02-26 12:21:20 |
| R106.htm | 17352 | 2015-02-26 12:21:20 |
| R107.htm | 45147 | 2015-02-26 12:21:20 |
| R108.htm | 19437 | 2015-02-26 12:21:20 |
| R11.htm | 43708 | 2015-02-26 12:21:20 |
| R12.htm | 72152 | 2015-02-26 12:21:20 |
| R13.htm | 7538 | 2015-02-26 12:21:20 |
| R14.htm | 68384 | 2015-02-26 12:21:20 |
| R15.htm | 34394 | 2015-02-26 12:21:20 |
| R16.htm | 34152 | 2015-02-26 12:21:20 |
| R17.htm | 70076 | 2015-02-26 12:21:20 |
| R18.htm | 38602 | 2015-02-26 12:21:20 |
| R19.htm | 41792 | 2015-02-26 12:21:20 |
| R2.htm | 75325 | 2015-02-26 12:21:20 |
| R20.htm | 18741 | 2015-02-26 12:21:20 |
| R21.htm | 24186 | 2015-02-26 12:21:20 |
| R22.htm | 75798 | 2015-02-26 12:21:20 |
| R23.htm | 41067 | 2015-02-26 12:21:20 |
| R24.htm | 150276 | 2015-02-26 12:21:20 |
| R25.htm | 117846 | 2015-02-26 12:21:20 |
| R26.htm | 222621 | 2015-02-26 12:21:20 |
| R27.htm | 24469 | 2015-02-26 12:21:20 |
| R28.htm | 7918 | 2015-02-26 12:21:20 |
| R29.htm | 100208 | 2015-02-26 12:21:20 |
| R3.htm | 138993 | 2015-02-26 12:21:20 |
| R30.htm | 18925 | 2015-02-26 12:21:20 |
| R31.htm | 110298 | 2015-02-26 12:21:20 |
| R32.htm | 18650 | 2015-02-26 12:21:20 |
| R33.htm | 48043 | 2015-02-26 12:21:20 |
| R34.htm | 15772 | 2015-02-26 12:21:20 |
| R35.htm | 262147 | 2015-02-26 12:21:20 |
| R36.htm | 53217 | 2015-02-26 12:21:20 |
| R37.htm | 11207 | 2015-02-26 12:21:20 |
| R38.htm | 100731 | 2015-02-26 12:21:20 |
| R39.htm | 21334 | 2015-02-26 12:21:20 |
| R4.htm | 22895 | 2015-02-26 12:21:20 |
| R40.htm | 240467 | 2015-02-26 12:21:20 |
| R41.htm | 10973 | 2015-02-26 12:21:20 |
| R42.htm | 29199 | 2015-02-26 12:21:20 |
| R43.htm | 32086 | 2015-02-26 12:21:20 |
| R44.htm | 68695 | 2015-02-26 12:21:20 |
| R45.htm | 32542 | 2015-02-26 12:21:20 |
| R46.htm | 27708 | 2015-02-26 12:21:20 |
| R47.htm | 25045 | 2015-02-26 12:21:20 |
| R48.htm | 80214 | 2015-02-26 12:21:20 |
| R49.htm | 30835 | 2015-02-26 12:21:20 |
| R5.htm | 30549 | 2015-02-26 12:21:20 |
| R50.htm | 146960 | 2015-02-26 12:21:20 |
| R51.htm | 115478 | 2015-02-26 12:21:20 |
| R52.htm | 227615 | 2015-02-26 12:21:20 |
| R53.htm | 22948 | 2015-02-26 12:21:20 |
| R54.htm | 93726 | 2015-02-26 12:21:20 |
| R55.htm | 48501 | 2015-02-26 12:21:20 |
| R56.htm | 14064 | 2015-02-26 12:21:20 |
| R57.htm | 249663 | 2015-02-26 12:21:20 |
| R58.htm | 51720 | 2015-02-26 12:21:20 |
| R59.htm | 119538 | 2015-02-26 12:21:20 |
| R6.htm | 9068 | 2015-02-26 12:21:20 |
| R60.htm | 79852 | 2015-02-26 12:21:20 |
| R61.htm | 84815 | 2015-02-26 12:21:20 |
| R62.htm | 59164 | 2015-02-26 12:21:20 |
| R63.htm | 30608 | 2015-02-26 12:21:20 |
| R64.htm | 71658 | 2015-02-26 12:21:20 |
| R65.htm | 79727 | 2015-02-26 12:21:20 |
| R66.htm | 62303 | 2015-02-26 12:21:20 |
| R67.htm | 25152 | 2015-02-26 12:21:20 |
| R68.htm | 40869 | 2015-02-26 12:21:20 |
| R69.htm | 368819 | 2015-02-26 12:21:20 |
| R7.htm | 151312 | 2015-02-26 12:21:20 |
| R70.htm | 76400 | 2015-02-26 12:21:20 |
| R71.htm | 39852 | 2015-02-26 12:21:20 |
| R72.htm | 137217 | 2015-02-26 12:21:20 |
| R73.htm | 34901 | 2015-02-26 12:21:20 |
| R74.htm | 63686 | 2015-02-26 12:21:20 |
| R75.htm | 327739 | 2015-02-26 12:21:20 |
| R76.htm | 197498 | 2015-02-26 12:21:20 |
| R77.htm | 56818 | 2015-02-26 12:21:20 |
| R78.htm | 66885 | 2015-02-26 12:21:20 |
| R79.htm | 65380 | 2015-02-26 12:21:20 |
| R8.htm | 209380 | 2015-02-26 12:21:20 |
| R80.htm | 143037 | 2015-02-26 12:21:20 |
| R81.htm | 54289 | 2015-02-26 12:21:20 |
| R82.htm | 62116 | 2015-02-26 12:21:20 |
| R83.htm | 49893 | 2015-02-26 12:21:20 |
| R84.htm | 7041 | 2015-02-26 12:21:20 |
| R85.htm | 74767 | 2015-02-26 12:21:20 |
| R86.htm | 29975 | 2015-02-26 12:21:20 |
| R87.htm | 30064 | 2015-02-26 12:21:20 |
| R88.htm | 27931 | 2015-02-26 12:21:20 |
| R89.htm | 41367 | 2015-02-26 12:21:20 |
| R9.htm | 272258 | 2015-02-26 12:21:20 |
| R90.htm | 64655 | 2015-02-26 12:21:20 |
| R91.htm | 62038 | 2015-02-26 12:21:20 |
| R92.htm | 48691 | 2015-02-26 12:21:20 |
| R93.htm | 29693 | 2015-02-26 12:21:20 |
| R94.htm | 60303 | 2015-02-26 12:21:20 |
| R95.htm | 33969 | 2015-02-26 12:21:20 |
| R96.htm | 20411 | 2015-02-26 12:21:20 |
| R97.htm | 53372 | 2015-02-26 12:21:20 |
| R98.htm | 6608 | 2015-02-26 12:21:20 |
| R99.htm | 554676 | 2015-02-26 12:21:20 |
| report.css | 2740 | 2015-02-26 12:21:20 |
| Show.js | 1410 | 2015-02-26 12:21:20 |