XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.25.3

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Risk Grading of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | $ 2,570,312 | $ 2,869,611
Current fiscal year, charge-offs | 3,205 | 1,450
Fiscal year before current fiscal year | 2,138,354 | 1,733,843
Fiscal year before current fiscal year, charge-offs | 1,854 | 40,529
Two years before current fiscal year | 1,372,728 | 1,937,367
Two years before current fiscal year, charge-offs | 3,469 | 1,681
Three years before current fiscal year | 1,585,449 | 1,569,313
Three years before current fiscal year, charge-offs | 2,125 | 8,947
Four years before current fiscal year | 1,359,315 | 1,142,386
Four years before current fiscal year, charge-offs | 4,486 | 576
Prior | 1,924,610 | 1,139,559
Prior, charge-offs | 1,793 | 1,060
Revolving loans amortized cost basis | 2,629,825 | 2,447,911
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 10,581 | 14,369
Revolving loans converted to term, charge-offs | 0 | 0
Total | 13,591,174 | 12,854,359
Total, charge-offs | 16,932 | 54,243
Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 1,230,713 | 1,359,867
Current fiscal year, charge-offs | 3,047 | 1,242
Fiscal year before current fiscal year | 903,781 | 539,311
Fiscal year before current fiscal year, charge-offs | 938 | 39,087
Two years before current fiscal year | 290,784 | 244,687
Two years before current fiscal year, charge-offs | 2,223 | 341
Three years before current fiscal year | 150,380 | 166,561
Three years before current fiscal year, charge-offs | 130 | 8,605
Four years before current fiscal year | 117,804 | 58,942
Four years before current fiscal year, charge-offs | 3,685 | 500
Prior | 97,854 | 51,036
Prior, charge-offs | 1,469 | 424
Revolving loans amortized cost basis | 1,813,579 | 1,693,245
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 0 | 643
Revolving loans converted to term, charge-offs | 0 | 0
Total | 4,604,895 | 4,114,292
Total, charge-offs | 11,492 | 50,199
Commercial and industrial loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 1,228,198 | 1,314,174
Fiscal year before current fiscal year | 869,398 | 493,138
Two years before current fiscal year | 267,325 | 196,877
Three years before current fiscal year | 145,103 | 158,215
Four years before current fiscal year | 94,273 | 55,639
Prior | 77,656 | 49,554
Revolving loans amortized cost basis | 1,709,249 | 1,576,409
Revolving loans converted to term | 0 | 130
Total | 4,391,202 | 3,844,136
Commercial and industrial loans | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 1,843 | 14,982
Fiscal year before current fiscal year | 29,466 | 13,282
Two years before current fiscal year | 20,153 | 20,837
Three years before current fiscal year | 2,449 | 1,097
Four years before current fiscal year | 6,163 | 2,222
Prior | 687 | 348
Revolving loans amortized cost basis | 39,995 | 41,187
Revolving loans converted to term | 0 | 0
Total | 100,756 | 93,955
Commercial and industrial loans | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 271 | 29,238
Fiscal year before current fiscal year | 4,335 | 32,285
Two years before current fiscal year | 3,306 | 26,973
Three years before current fiscal year | 2,828 | 7,249
Four years before current fiscal year | 16,868 | 1,081
Prior | 19,370 | 1,134
Revolving loans amortized cost basis | 62,651 | 75,649
Revolving loans converted to term | 0 | 513
Total | 109,629 | 174,122
Commercial and industrial loans | Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 401 | 1,473
Fiscal year before current fiscal year | 582 | 606
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 500 | 0
Prior | 141 | 0
Revolving loans amortized cost basis | 1,684 | 0
Revolving loans converted to term | 0 | 0
Total | 3,308 | 2,079
Agricultural land, production and other loans to farmers |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 63,877 | 31,323
Fiscal year before current fiscal year | 22,871 | 23,118
Two years before current fiscal year | 21,823 | 31,563
Three years before current fiscal year | 26,646 | 27,124
Four years before current fiscal year | 24,039 | 27,585
Prior | 50,770 | 30,433
Revolving loans amortized cost basis | 65,791 | 85,166
Revolving loans converted to term | 0 | 0
Total | 275,817 | 256,312
Agricultural land, production and other loans to farmers | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 58,346 | 28,600
Fiscal year before current fiscal year | 19,030 | 23,070
Two years before current fiscal year | 21,557 | 30,518
Three years before current fiscal year | 25,456 | 26,442
Four years before current fiscal year | 24,039 | 27,105
Prior | 46,138 | 29,930
Revolving loans amortized cost basis | 63,114 | 84,502
Revolving loans converted to term | 0 | 0
Total | 257,680 | 250,167
Agricultural land, production and other loans to farmers | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 594 | 169
Fiscal year before current fiscal year | 1,656 | 0
Two years before current fiscal year | 26 | 245
Three years before current fiscal year | 507 | 0
Four years before current fiscal year | 0 | 446
Prior | 1,506 | 422
Revolving loans amortized cost basis | 1,367 | 528
Revolving loans converted to term | 0 | 0
Total | 5,656 | 1,810
Agricultural land, production and other loans to farmers | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 4,937 | 2,554
Fiscal year before current fiscal year | 2,185 | 48
Two years before current fiscal year | 240 | 800
Three years before current fiscal year | 683 | 682
Four years before current fiscal year | 0 | 34
Prior | 3,126 | 81
Revolving loans amortized cost basis | 1,310 | 136
Revolving loans converted to term | 0 | 0
Total | 12,481 | 4,335
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 223,926 | 338,806
Current fiscal year, charge-offs | 0 |
Fiscal year before current fiscal year | 338,150 | 225,682
Fiscal year before current fiscal year, charge-offs | 63 |
Two years before current fiscal year | 129,822 | 152,105
Two years before current fiscal year, charge-offs | 0 |
Three years before current fiscal year | 61,408 | 47,728
Three years before current fiscal year, charge-offs | 0 |
Four years before current fiscal year | 11,553 | 6,398
Four years before current fiscal year, charge-offs | 0 |
Prior | 10,359 | 8,589
Prior, charge-offs | 0 |
Revolving loans amortized cost basis | 13,803 | 12,836
Revolving loans amortized cost basis, charge-offs | 0 |
Revolving loans converted to term | 0 | 0
Revolving loans converted to term, charge-offs | 0 |
Total | 789,021 | 792,144
Total, charge-offs | 63 |
Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 180,692 | 241,622
Fiscal year before current fiscal year | 309,001 | 203,829
Two years before current fiscal year | 129,822 | 114,794
Three years before current fiscal year | 17,639 | 31,864
Four years before current fiscal year | 11,553 | 6,398
Prior | 10,325 | 8,549
Revolving loans amortized cost basis | 13,803 | 12,836
Revolving loans converted to term | 0 | 0
Total | 672,835 | 619,892
Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 40,597 | 74,879
Fiscal year before current fiscal year | 6,104 | 21,853
Two years before current fiscal year | 0 | 19,019
Three years before current fiscal year | 0 | 15,214
Four years before current fiscal year | 0 | 0
Prior | 0 | 40
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 46,701 | 131,005
Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 2,637 | 22,305
Fiscal year before current fiscal year | 23,045 | 0
Two years before current fiscal year | 0 | 18,292
Three years before current fiscal year | 43,769 | 0
Four years before current fiscal year | 0 | 0
Prior | 34 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Total | 69,485 | 40,597
Construction | Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year |  | 0
Fiscal year before current fiscal year |  | 0
Two years before current fiscal year |  | 0
Three years before current fiscal year |  | 650
Four years before current fiscal year |  | 0
Prior |  | 0
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term |  | 0
Total |  | 650
Commercial real estate, non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 474,395 | 496,934
Current fiscal year, charge-offs | 0 | 0
Fiscal year before current fiscal year | 331,088 | 287,464
Fiscal year before current fiscal year, charge-offs | 0 | 339
Two years before current fiscal year | 286,419 | 384,409
Two years before current fiscal year, charge-offs | 1 | 3
Three years before current fiscal year | 292,523 | 425,920
Three years before current fiscal year, charge-offs | 451 | 0
Four years before current fiscal year | 390,090 | 351,266
Four years before current fiscal year, charge-offs | 0 | 0
Prior | 500,332 | 308,160
Prior, charge-offs | 16 | 1
Revolving loans amortized cost basis | 30,042 | 19,863
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 0 | 0
Revolving loans converted to term, charge-offs | 0 | 0
Total | 2,304,889 | 2,274,016
Total, charge-offs | 468 | 343
Commercial real estate, non-owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 363,617 | 383,279
Fiscal year before current fiscal year | 314,160 | 275,907
Two years before current fiscal year | 276,753 | 342,442
Three years before current fiscal year | 282,620 | 406,289
Four years before current fiscal year | 386,878 | 327,372
Prior | 493,783 | 278,362
Revolving loans amortized cost basis | 29,859 | 19,863
Revolving loans converted to term | 0 | 0
Total | 2,147,670 | 2,033,514
Commercial real estate, non-owner occupied | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 53,226 | 79,440
Fiscal year before current fiscal year | 16,512 | 9,051
Two years before current fiscal year | 9,666 | 35,230
Three years before current fiscal year | 4,555 | 12,975
Four years before current fiscal year | 1,406 | 5,287
Prior | 5,350 | 28,200
Revolving loans amortized cost basis | 100 | 0
Revolving loans converted to term | 0 | 0
Total | 90,815 | 170,183
Commercial real estate, non-owner occupied | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 57,552 | 34,215
Fiscal year before current fiscal year | 416 | 2,506
Two years before current fiscal year | 0 | 6,737
Three years before current fiscal year | 5,348 | 6,656
Four years before current fiscal year | 1,806 | 18,607
Prior | 1,199 | 1,598
Revolving loans amortized cost basis | 83 | 0
Revolving loans converted to term | 0 | 0
Total | 66,404 | 70,319
Commercial real estate, owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 248,918 | 209,900
Current fiscal year, charge-offs | 0 | 0
Fiscal year before current fiscal year | 167,831 | 160,646
Fiscal year before current fiscal year, charge-offs | 243 | 0
Two years before current fiscal year | 149,333 | 175,469
Two years before current fiscal year, charge-offs | 152 | 0
Three years before current fiscal year | 163,994 | 238,523
Three years before current fiscal year, charge-offs | 0 | 0
Four years before current fiscal year | 201,990 | 208,439
Four years before current fiscal year, charge-offs | 0 | 9
Prior | 261,276 | 132,934
Prior, charge-offs | 3 | 0
Revolving loans amortized cost basis | 38,775 | 32,033
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 0 | 0
Revolving loans converted to term, charge-offs | 0 | 0
Total | 1,232,117 | 1,157,944
Total, charge-offs | 398 | 9
Commercial real estate, owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 248,570 | 194,703
Fiscal year before current fiscal year | 136,935 | 141,964
Two years before current fiscal year | 141,532 | 164,725
Three years before current fiscal year | 156,278 | 217,319
Four years before current fiscal year | 192,605 | 198,314
Prior | 257,141 | 127,431
Revolving loans amortized cost basis | 38,377 | 31,573
Revolving loans converted to term | 0 | 0
Total | 1,171,438 | 1,076,029
Commercial real estate, owner occupied | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 348 | 1,887
Fiscal year before current fiscal year | 17,874 | 11,013
Two years before current fiscal year | 0 | 7,555
Three years before current fiscal year | 1,939 | 9,910
Four years before current fiscal year | 1,374 | 8,603
Prior | 877 | 1,951
Revolving loans amortized cost basis | 200 | 460
Revolving loans converted to term | 0 | 0
Total | 22,612 | 41,379
Commercial real estate, owner occupied | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 13,310
Fiscal year before current fiscal year | 12,012 | 7,669
Two years before current fiscal year | 7,801 | 3,189
Three years before current fiscal year | 5,777 | 11,294
Four years before current fiscal year | 8,011 | 1,522
Prior | 3,258 | 3,552
Revolving loans amortized cost basis | 198 | 0
Revolving loans converted to term | 0 | 0
Total | 37,057 | 40,536
Commercial real estate, owner occupied | Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 |
Fiscal year before current fiscal year | 1,010 |
Two years before current fiscal year | 0 |
Three years before current fiscal year | 0 |
Four years before current fiscal year | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 0 |
Revolving loans converted to term | 0 |
Total | 1,010 |
Residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 200,164 | 223,850
Current fiscal year, charge-offs | 0 | 0
Fiscal year before current fiscal year | 200,134 | 417,417
Fiscal year before current fiscal year, charge-offs | 91 | 173
Two years before current fiscal year | 424,044 | 687,790
Two years before current fiscal year, charge-offs | 622 | 779
Three years before current fiscal year | 646,080 | 405,283
Three years before current fiscal year, charge-offs | 565 | 136
Four years before current fiscal year | 373,834 | 330,261
Four years before current fiscal year, charge-offs | 94 | 20
Prior | 560,806 | 300,731
Prior, charge-offs | 163 | 288
Revolving loans amortized cost basis | 7,674 | 9,384
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 47 | 13
Revolving loans converted to term, charge-offs | 0 | 0
Total | 2,412,783 | 2,374,729
Total, charge-offs | 1,535 | 1,396
Residential | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 199,663 | 221,016
Fiscal year before current fiscal year | 197,804 | 413,552
Two years before current fiscal year | 412,661 | 672,713
Three years before current fiscal year | 631,381 | 397,192
Four years before current fiscal year | 364,189 | 326,154
Prior | 551,936 | 293,785
Revolving loans amortized cost basis | 7,147 | 8,887
Revolving loans converted to term | 47 | 13
Total | 2,364,828 | 2,333,312
Residential | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 167 | 1,528
Fiscal year before current fiscal year | 1,205 | 1,953
Two years before current fiscal year | 7,041 | 6,228
Three years before current fiscal year | 8,397 | 4,102
Four years before current fiscal year | 5,059 | 2,891
Prior | 5,697 | 3,152
Revolving loans amortized cost basis | 346 | 150
Revolving loans converted to term | 0 | 0
Total | 27,912 | 20,004
Residential | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 334 | 1,306
Fiscal year before current fiscal year | 1,125 | 1,912
Two years before current fiscal year | 4,342 | 8,849
Three years before current fiscal year | 6,302 | 3,989
Four years before current fiscal year | 4,586 | 1,216
Prior | 3,173 | 3,794
Revolving loans amortized cost basis | 181 | 347
Revolving loans converted to term | 0 | 0
Total | 20,043 | 21,413
Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 7,952 | 6,887
Current fiscal year, charge-offs | 0 | 0
Fiscal year before current fiscal year | 9,104 | 4,354
Fiscal year before current fiscal year, charge-offs | 92 | 10
Two years before current fiscal year | 3,493 | 25,757
Two years before current fiscal year, charge-offs | 8 | 35
Three years before current fiscal year | 22,477 | 52,413
Three years before current fiscal year, charge-offs | 653 | 22
Four years before current fiscal year | 45,649 | 10,783
Four years before current fiscal year, charge-offs | 565 | 0
Prior | 12,377 | 4,141
Prior, charge-offs | 63 | 267
Revolving loans amortized cost basis | 576,027 | 541,944
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 9,942 | 13,532
Revolving loans converted to term, charge-offs | 0 | 0
Total | 687,021 | 659,811
Total, charge-offs | 1,381 | 334
Home equity | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 7,892 | 6,788
Fiscal year before current fiscal year | 8,399 | 4,354
Two years before current fiscal year | 3,493 | 24,810
Three years before current fiscal year | 22,387 | 51,313
Four years before current fiscal year | 44,813 | 10,486
Prior | 11,788 | 3,976
Revolving loans amortized cost basis | 568,235 | 535,132
Revolving loans converted to term | 9,522 | 12,124
Total | 676,529 | 648,983
Home equity | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 38
Fiscal year before current fiscal year | 705 | 0
Two years before current fiscal year | 0 | 375
Three years before current fiscal year | 0 | 285
Four years before current fiscal year | 728 | 297
Prior | 332 | 69
Revolving loans amortized cost basis | 5,480 | 4,568
Revolving loans converted to term | 65 | 442
Total | 7,310 | 6,074
Home equity | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 60 | 61
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 572
Three years before current fiscal year | 90 | 815
Four years before current fiscal year | 108 | 0
Prior | 257 | 96
Revolving loans amortized cost basis | 2,312 | 2,244
Revolving loans converted to term | 355 | 966
Total | 3,182 | 4,754
Individuals' loans for household and other personal expenditures |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 30,581 | 40,972
Current fiscal year, charge-offs | 158 | 208
Fiscal year before current fiscal year | 19,163 | 22,101
Fiscal year before current fiscal year, charge-offs | 427 | 920
Two years before current fiscal year | 14,224 | 31,703
Two years before current fiscal year, charge-offs | 463 | 523
Three years before current fiscal year | 21,928 | 10,695
Three years before current fiscal year, charge-offs | 326 | 184
Four years before current fiscal year | 6,239 | 2,335
Four years before current fiscal year, charge-offs | 142 | 47
Prior | 4,394 | 4,733
Prior, charge-offs | 79 | 80
Revolving loans amortized cost basis | 41,582 | 53,308
Revolving loans amortized cost basis, charge-offs | 0 | 0
Revolving loans converted to term | 592 | 181
Revolving loans converted to term, charge-offs | 0 | 0
Total | 138,703 | 166,028
Total, charge-offs | 1,595 | 1,962
Individuals' loans for household and other personal expenditures | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 30,452 | 40,819
Fiscal year before current fiscal year | 18,917 | 21,867
Two years before current fiscal year | 13,964 | 31,356
Three years before current fiscal year | 21,794 | 10,520
Four years before current fiscal year | 6,121 | 2,276
Prior | 4,386 | 4,693
Revolving loans amortized cost basis | 41,385 | 53,180
Revolving loans converted to term | 374 | 180
Total | 137,393 | 164,891
Individuals' loans for household and other personal expenditures | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 129 | 153
Fiscal year before current fiscal year | 246 | 234
Two years before current fiscal year | 260 | 347
Three years before current fiscal year | 133 | 175
Four years before current fiscal year | 118 | 59
Prior | 8 | 40
Revolving loans amortized cost basis | 197 | 128
Revolving loans converted to term | 218 | 0
Total | 1,309 | 1,136
Individuals' loans for household and other personal expenditures | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 1 | 0
Four years before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 1
Total | 1 | 1
Public finance and other commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 89,786 | 161,072
Fiscal year before current fiscal year | 146,232 | 53,750
Two years before current fiscal year | 52,786 | 203,884
Three years before current fiscal year | 200,013 | 195,066
Four years before current fiscal year | 188,117 | 146,377
Prior | 426,442 | 298,802
Revolving loans amortized cost basis | 42,552 | 132
Revolving loans converted to term | 0 | 0
Total | 1,145,928 | 1,059,083
Public finance and other commercial loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current fiscal year | 89,786 | 161,072
Fiscal year before current fiscal year | 146,232 | 53,750
Two years before current fiscal year | 52,786 | 203,884
Three years before current fiscal year | 200,013 | 195,066
Four years before current fiscal year | 188,117 | 146,377
Prior | 426,442 | 298,802
Revolving loans amortized cost basis | 42,552 | 132
Revolving loans converted to term | 0 | 0
Total | $ 1,145,928 | $ 1,059,083

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=frme_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=frme_FarmingAndAgricultureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=frme_CommercialRealEstateNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=frme_CommercialRealEstateOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=frme_PublicFinanceAndOtherCommercialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |