Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066756-23-000040-index-headers.html | 2023-08-07 17:44:18 | |
| 0000066756-23-000040-index.html | 2023-08-07 17:44:18 | |
| 0000066756-23-000040.txt | 2023-08-07 17:44:18 | |
 0000066756-23-000040-xbrl.zip | 281049 | 2023-08-07 17:44:18 |
| ale-20230630.htm | 1420135 | 2023-08-07 17:44:18 |
| ale-20230630.xsd | 55051 | 2023-08-07 17:44:18 |
| ale-20230630_cal.xml | 96427 | 2023-08-07 17:44:18 |
| ale-20230630_def.xml | 235596 | 2023-08-07 17:44:18 |
| ale-20230630_htm.xml | 1271049 | 2023-08-07 17:44:18 |
| ale-20230630_lab.xml | 756172 | 2023-08-07 17:44:18 |
| ale-20230630_pre.xml | 454240 | 2023-08-07 17:44:18 |
| ale6-30x2023exx31a.htm | 10658 | 2023-08-07 17:44:18 |
| ale6-30x2023exx31b.htm | 10636 | 2023-08-07 17:44:18 |
| ale6-30x2023exx32.htm | 8746 | 2023-08-07 17:44:18 |
| ale6-30x2023exx4.htm | 158975 | 2023-08-07 17:44:18 |
| ale6-30x2023exx95.htm | 11926 | 2023-08-07 17:44:18 |
| ale6-30x2023exx99.htm | 132305 | 2023-08-07 17:44:18 |
| FilingSummary.xml | 30658 | 2023-08-07 17:44:18 |
| Financial_Report.xlsx | 94835 | 2023-08-07 17:44:18 |
 logoallete201510ka14.jpg | 105668 | 2023-08-07 17:44:18 |
| MetaLinks.json | 831792 | 2023-08-07 17:44:18 |
| R1.htm | 50423 | 2023-08-07 17:44:18 |
| R10.htm | 87868 | 2023-08-07 17:44:18 |
| R11.htm | 55721 | 2023-08-07 17:44:18 |
| R12.htm | 17781 | 2023-08-07 17:44:18 |
| R13.htm | 59383 | 2023-08-07 17:44:18 |
| R14.htm | 25932 | 2023-08-07 17:44:18 |
| R15.htm | 57654 | 2023-08-07 17:44:18 |
| R16.htm | 32404 | 2023-08-07 17:44:18 |
| R17.htm | 62438 | 2023-08-07 17:44:18 |
| R18.htm | 41833 | 2023-08-07 17:44:18 |
| R19.htm | 76084 | 2023-08-07 17:44:18 |
| R2.htm | 122009 | 2023-08-07 17:44:18 |
| R20.htm | 15401 | 2023-08-07 17:44:18 |
| R21.htm | 8480 | 2023-08-07 17:44:18 |
| R22.htm | 39089 | 2023-08-07 17:44:18 |
| R23.htm | 92819 | 2023-08-07 17:44:18 |
| R24.htm | 46021 | 2023-08-07 17:44:18 |
| R25.htm | 19271 | 2023-08-07 17:44:18 |
| R26.htm | 55602 | 2023-08-07 17:44:18 |
| R27.htm | 18687 | 2023-08-07 17:44:18 |
| R28.htm | 31425 | 2023-08-07 17:44:18 |
| R29.htm | 59269 | 2023-08-07 17:44:18 |
| R3.htm | 15928 | 2023-08-07 17:44:18 |
| R30.htm | 37252 | 2023-08-07 17:44:18 |
| R31.htm | 71475 | 2023-08-07 17:44:18 |
| R32.htm | 82705 | 2023-08-07 17:44:18 |
| R33.htm | 19990 | 2023-08-07 17:44:18 |
| R34.htm | 12942 | 2023-08-07 17:44:18 |
| R35.htm | 52368 | 2023-08-07 17:44:18 |
| R36.htm | 60938 | 2023-08-07 17:44:18 |
| R37.htm | 33349 | 2023-08-07 17:44:18 |
| R38.htm | 36027 | 2023-08-07 17:44:18 |
| R39.htm | 43875 | 2023-08-07 17:44:18 |
| R4.htm | 103712 | 2023-08-07 17:44:18 |
| R40.htm | 10759 | 2023-08-07 17:44:18 |
| R41.htm | 39732 | 2023-08-07 17:44:18 |
| R42.htm | 14303 | 2023-08-07 17:44:18 |
| R43.htm | 20810 | 2023-08-07 17:44:18 |
| R44.htm | 19077 | 2023-08-07 17:44:18 |
| R45.htm | 22206 | 2023-08-07 17:44:18 |
| R46.htm | 39049 | 2023-08-07 17:44:18 |
| R47.htm | 71695 | 2023-08-07 17:44:18 |
| R48.htm | 35889 | 2023-08-07 17:44:18 |
| R49.htm | 89222 | 2023-08-07 17:44:18 |
| R5.htm | 39198 | 2023-08-07 17:44:18 |
| R6.htm | 8472 | 2023-08-07 17:44:18 |
| R7.htm | 101209 | 2023-08-07 17:44:18 |
| R8.htm | 71880 | 2023-08-07 17:44:18 |
| R9.htm | 20627 | 2023-08-07 17:44:18 |
| report.css | 2767 | 2023-08-07 17:44:18 |
| Show.js | 1085 | 2023-08-07 17:44:18 |