Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000712534-24-000071-index-headers.html | 2024-02-29 12:12:10 | |
| 0000712534-24-000071-index.html | 2024-02-29 12:12:10 | |
| 0000712534-24-000071.txt | 2024-02-29 12:12:10 | |
 0000712534-24-000071-xbrl.zip | 791910 | 2024-02-29 12:12:10 |
| exhibit21-202310k.htm | 5109 | 2024-02-29 12:12:10 |
| exhibit23-202310k.htm | 2972 | 2024-02-29 12:12:10 |
| exhibit24-202310k.htm | 13723 | 2024-02-29 12:12:10 |
| exhibit311-202310k.htm | 9722 | 2024-02-29 12:12:10 |
| exhibit312-202310k.htm | 10137 | 2024-02-29 12:12:10 |
| exhibit32-202310k.htm | 134320 | 2024-02-29 12:12:10 |
| exhibit32-202310ka.htm | 9669 | 2024-02-29 12:12:10 |
| exhibit97-202310k.htm | 28815 | 2024-02-29 12:12:10 |
| FilingSummary.xml | 88480 | 2024-02-29 12:12:10 |
| Financial_Report.xlsx | 286221 | 2024-02-29 12:12:10 |
| frme-20231231.htm | 5522262 | 2024-02-29 12:12:10 |
| frme-20231231.xsd | 125378 | 2024-02-29 12:12:10 |
| frme-20231231_cal.xml | 243072 | 2024-02-29 12:12:10 |
| frme-20231231_def.xml | 886281 | 2024-02-29 12:12:10 |
 frme-20231231_g1.jpg | 116972 | 2024-02-29 12:12:10 |
| frme-20231231_htm.xml | 5710882 | 2024-02-29 12:12:10 |
| frme-20231231_lab.xml | 1621642 | 2024-02-29 12:12:10 |
| frme-20231231_pre.xml | 1194903 | 2024-02-29 12:12:10 |
| MetaLinks.json | 1791529 | 2024-02-29 12:12:10 |
 picture2a.jpg | 59543 | 2024-02-29 12:12:10 |
| R1.htm | 73783 | 2024-02-29 12:12:10 |
| R10.htm | 86660 | 2024-02-29 12:12:10 |
| R100.htm | 17028 | 2024-02-29 12:12:10 |
| R101.htm | 14275 | 2024-02-29 12:12:10 |
| R102.htm | 10750 | 2024-02-29 12:12:10 |
| R103.htm | 10178 | 2024-02-29 12:12:10 |
| R104.htm | 35069 | 2024-02-29 12:12:10 |
| R105.htm | 11990 | 2024-02-29 12:12:10 |
| R106.htm | 55389 | 2024-02-29 12:12:10 |
| R107.htm | 16095 | 2024-02-29 12:12:10 |
| R108.htm | 15584 | 2024-02-29 12:12:10 |
| R109.htm | 41627 | 2024-02-29 12:12:10 |
| R11.htm | 32681 | 2024-02-29 12:12:10 |
| R110.htm | 73517 | 2024-02-29 12:12:10 |
| R111.htm | 31084 | 2024-02-29 12:12:10 |
| R112.htm | 40736 | 2024-02-29 12:12:10 |
| R113.htm | 68573 | 2024-02-29 12:12:10 |
| R114.htm | 65264 | 2024-02-29 12:12:10 |
| R115.htm | 13536 | 2024-02-29 12:12:10 |
| R116.htm | 52050 | 2024-02-29 12:12:10 |
| R117.htm | 23231 | 2024-02-29 12:12:10 |
| R118.htm | 41313 | 2024-02-29 12:12:10 |
| R119.htm | 24833 | 2024-02-29 12:12:10 |
| R12.htm | 7360 | 2024-02-29 12:12:10 |
| R120.htm | 72048 | 2024-02-29 12:12:10 |
| R121.htm | 40384 | 2024-02-29 12:12:10 |
| R122.htm | 10130 | 2024-02-29 12:12:10 |
| R123.htm | 26883 | 2024-02-29 12:12:10 |
| R124.htm | 17550 | 2024-02-29 12:12:10 |
| R125.htm | 11248 | 2024-02-29 12:12:10 |
| R126.htm | 15628 | 2024-02-29 12:12:10 |
| R127.htm | 16758 | 2024-02-29 12:12:10 |
| R128.htm | 81397 | 2024-02-29 12:12:10 |
| R129.htm | 23728 | 2024-02-29 12:12:10 |
| R13.htm | 225042 | 2024-02-29 12:12:10 |
| R130.htm | 18824 | 2024-02-29 12:12:10 |
| R131.htm | 35752 | 2024-02-29 12:12:10 |
| R132.htm | 16749 | 2024-02-29 12:12:10 |
| R133.htm | 35057 | 2024-02-29 12:12:10 |
| R134.htm | 4888 | 2024-02-29 12:12:10 |
| R135.htm | 63756 | 2024-02-29 12:12:10 |
| R136.htm | 68480 | 2024-02-29 12:12:10 |
| R137.htm | 64587 | 2024-02-29 12:12:10 |
| R14.htm | 780346 | 2024-02-29 12:12:10 |
| R15.htm | 15620 | 2024-02-29 12:12:10 |
| R16.htm | 12124 | 2024-02-29 12:12:10 |
| R17.htm | 18608 | 2024-02-29 12:12:10 |
| R18.htm | 44447 | 2024-02-29 12:12:10 |
| R19.htm | 20192 | 2024-02-29 12:12:10 |
| R2.htm | 7808 | 2024-02-29 12:12:10 |
| R20.htm | 20746 | 2024-02-29 12:12:10 |
| R21.htm | 62108 | 2024-02-29 12:12:10 |
| R22.htm | 68680 | 2024-02-29 12:12:10 |
| R23.htm | 191646 | 2024-02-29 12:12:10 |
| R24.htm | 66498 | 2024-02-29 12:12:10 |
| R25.htm | 86690 | 2024-02-29 12:12:10 |
| R26.htm | 12072 | 2024-02-29 12:12:10 |
| R27.htm | 56525 | 2024-02-29 12:12:10 |
| R28.htm | 160144 | 2024-02-29 12:12:10 |
| R29.htm | 63348 | 2024-02-29 12:12:10 |
| R3.htm | 118692 | 2024-02-29 12:12:10 |
| R30.htm | 28256 | 2024-02-29 12:12:10 |
| R31.htm | 97573 | 2024-02-29 12:12:10 |
| R32.htm | 4862 | 2024-02-29 12:12:10 |
| R33.htm | 158187 | 2024-02-29 12:12:10 |
| R34.htm | 29754 | 2024-02-29 12:12:10 |
| R35.htm | 224225 | 2024-02-29 12:12:10 |
| R36.htm | 767647 | 2024-02-29 12:12:10 |
| R37.htm | 13987 | 2024-02-29 12:12:10 |
| R38.htm | 12954 | 2024-02-29 12:12:10 |
| R39.htm | 19535 | 2024-02-29 12:12:10 |
| R4.htm | 33377 | 2024-02-29 12:12:10 |
| R40.htm | 44660 | 2024-02-29 12:12:10 |
| R41.htm | 16350 | 2024-02-29 12:12:10 |
| R42.htm | 19886 | 2024-02-29 12:12:10 |
| R43.htm | 46571 | 2024-02-29 12:12:10 |
| R44.htm | 63652 | 2024-02-29 12:12:10 |
| R45.htm | 187404 | 2024-02-29 12:12:10 |
| R46.htm | 67577 | 2024-02-29 12:12:10 |
| R47.htm | 70554 | 2024-02-29 12:12:10 |
| R48.htm | 11776 | 2024-02-29 12:12:10 |
| R49.htm | 53659 | 2024-02-29 12:12:10 |
| R5.htm | 138651 | 2024-02-29 12:12:10 |
| R50.htm | 163129 | 2024-02-29 12:12:10 |
| R51.htm | 63009 | 2024-02-29 12:12:10 |
| R52.htm | 26558 | 2024-02-29 12:12:10 |
| R53.htm | 100587 | 2024-02-29 12:12:10 |
| R54.htm | 35425 | 2024-02-29 12:12:10 |
| R55.htm | 7504 | 2024-02-29 12:12:10 |
| R56.htm | 7535 | 2024-02-29 12:12:10 |
| R57.htm | 15947 | 2024-02-29 12:12:10 |
| R58.htm | 57571 | 2024-02-29 12:12:10 |
| R59.htm | 52433 | 2024-02-29 12:12:10 |
| R6.htm | 61409 | 2024-02-29 12:12:10 |
| R60.htm | 16027 | 2024-02-29 12:12:10 |
| R61.htm | 5798 | 2024-02-29 12:12:10 |
| R62.htm | 53857 | 2024-02-29 12:12:10 |
| R63.htm | 15676 | 2024-02-29 12:12:10 |
| R64.htm | 48141 | 2024-02-29 12:12:10 |
| R65.htm | 45691 | 2024-02-29 12:12:10 |
| R66.htm | 30874 | 2024-02-29 12:12:10 |
| R67.htm | 79593 | 2024-02-29 12:12:10 |
| R68.htm | 8844 | 2024-02-29 12:12:10 |
| R69.htm | 103634 | 2024-02-29 12:12:10 |
| R7.htm | 120149 | 2024-02-29 12:12:10 |
| R70.htm | 25813 | 2024-02-29 12:12:10 |
| R71.htm | 230798 | 2024-02-29 12:12:10 |
| R72.htm | 81808 | 2024-02-29 12:12:10 |
| R73.htm | 27780 | 2024-02-29 12:12:10 |
| R74.htm | 60656 | 2024-02-29 12:12:10 |
| R75.htm | 124249 | 2024-02-29 12:12:10 |
| R76.htm | 8317 | 2024-02-29 12:12:10 |
| R77.htm | 83118 | 2024-02-29 12:12:10 |
| R78.htm | 8346 | 2024-02-29 12:12:10 |
| R79.htm | 9706 | 2024-02-29 12:12:10 |
| R8.htm | 28381 | 2024-02-29 12:12:10 |
| R80.htm | 16954 | 2024-02-29 12:12:10 |
| R81.htm | 4215 | 2024-02-29 12:12:10 |
| R82.htm | 8982 | 2024-02-29 12:12:10 |
| R83.htm | 8783 | 2024-02-29 12:12:10 |
| R84.htm | 20607 | 2024-02-29 12:12:10 |
| R85.htm | 11051 | 2024-02-29 12:12:10 |
| R86.htm | 17555 | 2024-02-29 12:12:10 |
| R87.htm | 16873 | 2024-02-29 12:12:10 |
| R88.htm | 13784 | 2024-02-29 12:12:10 |
| R89.htm | 13310 | 2024-02-29 12:12:10 |
| R9.htm | 148949 | 2024-02-29 12:12:10 |
| R90.htm | 27357 | 2024-02-29 12:12:10 |
| R91.htm | 10734 | 2024-02-29 12:12:10 |
| R92.htm | 11139 | 2024-02-29 12:12:10 |
| R93.htm | 13483 | 2024-02-29 12:12:10 |
| R94.htm | 9624 | 2024-02-29 12:12:10 |
| R95.htm | 16367 | 2024-02-29 12:12:10 |
| R96.htm | 14560 | 2024-02-29 12:12:10 |
| R97.htm | 101083 | 2024-02-29 12:12:10 |
| R98.htm | 15013 | 2024-02-29 12:12:10 |
| R99.htm | 34696 | 2024-02-29 12:12:10 |
| report.css | 2768 | 2024-02-29 12:12:10 |
| Show.js | 1086 | 2024-02-29 12:12:10 |