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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Credit Quality Risk Rating (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | $ 132,595 | $ 121,811
Year two | 103,467 | 168,238
Year three | 153,099 | 261,269
Year four | 238,818 | 349,214
Year five | 324,297 | 153,207
Prior | 302,906 | 225,687
Revolving | 67,828 | 88,929
Revolving to Term | 0 | 626
Total loans receivable | 1,323,010 | 1,368,981
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 3 | 135
Current period gross charge-offs, Year three | 46 | 10
Current period gross charge-offs, Year four | 74 | 40
Current period gross charge-offs, Year five | 0 | 5
Current period gross charge-offs, Prior | 1 | 21
Current period gross charge-offs, Revolving | 39 | 10
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 163 | 221
Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 49,611 | 49,753
Year two | 49,278 | 77,787
Year three | 74,624 | 126,597
Year four | 102,688 | 209,738
Year five | 200,081 | 89,753
Prior | 197,217 | 145,712
Revolving | 8,941 | 7,669
Revolving to Term | 0 | 0
Total loans receivable | 682,440 | 707,009
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 51 | 39
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 51 | 39
Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 13,527 | 3,556
Year two | 2,551 | 11,072
Year three | 6,394 | 17,637
Year four | 16,190 | 15,200
Year five | 9,466 | 7,335
Prior | 15,217 | 17,223
Revolving | 656 | 715
Revolving to Term | 0 | 0
Total loans receivable | 64,001 | 72,738
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 20,683 | 8,777
Year two | 8,633 | 7,790
Year three | 7,671 | 40,426
Year four | 56,177 | 101,213
Year five | 97,678 | 43,115
Prior | 45,846 | 19,005
Revolving | 380 | 380
Revolving to Term | 0 | 0
Total loans receivable | 237,068 | 220,706
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 22,682 | 23,832
Year two | 13,350 | 25,102
Year three | 26,836 | 10,186
Year four | 9,012 | 346
Year five | 259 | 1,297
Prior | 1,981 | 971
Revolving | 234 | 16,412
Revolving to Term | 0 | 0
Total loans receivable | 74,354 | 78,146
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 12,357 | 17,599
Year two | 17,648 | 13,549
Year three | 10,105 | 31,479
Year four | 23,021 | 14,043
Year five | 9,313 | 8,787
Prior | 9,557 | 4,197
Revolving | 19,534 | 25,255
Revolving to Term | 0 | 626
Total loans receivable | 101,535 | 115,535
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 131
Current period gross charge-offs, Year three | 36 | 7
Current period gross charge-offs, Year four | 23 | 0
Current period gross charge-offs, Year five | 0 | 5
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 35 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 94 | 143
C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 3,944 | 3,373
Year two | 1,181 | 3,111
Year three | 2,547 | 3,617
Year four | 2,212 | 920
Year five | 405 | 438
Prior | 1,151 | 1,884
Revolving | 18,638 | 17,674
Revolving to Term | 0 | 0
Total loans receivable | 30,078 | 31,017
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Residential mortgage: | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 8,649 | 13,400
Year two | 9,883 | 28,598
Year three | 24,140 | 30,516
Year four | 29,056 | 7,369
Year five | 6,887 | 2,141
Prior | 29,203 | 32,511
Revolving | 17,016 | 17,357
Revolving to Term | 0 | 0
Total loans receivable | 124,834 | 131,892
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 4
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 4
Residential mortgage: | Purchased HELOC loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 1,979 | 2,956
Revolving to Term | 0 | 0
Total loans receivable | 1,979 | 2,956
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Consumer installment: | Originated indirect paper |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 2,566 | 3,970
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 2,566 | 3,970
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 1 | 17
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 1 | 17
Consumer installment: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,142 | 1,521
Year two | 943 | 1,229
Year three | 782 | 811
Year four | 462 | 385
Year five | 208 | 341
Prior | 168 | 214
Revolving | 450 | 511
Revolving to Term | 0 | 0
Total loans receivable | 4,155 | 5,012
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 3 | 4
Current period gross charge-offs, Year three | 10 | 3
Current period gross charge-offs, Year four | 0 | 1
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 4 | 10
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 17 | 18
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 49,611 | 49,580
Year two | 48,332 | 76,381
Year three | 73,187 | 123,806
Year four | 99,390 | 207,155
Year five | 195,318 | 89,539
Prior | 189,575 | 141,264
Revolving | 8,917 | 7,669
Revolving to Term | 0 | 0
Total loans receivable | 664,330 | 695,394
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 13,527 | 3,556
Year two | 2,551 | 10,870
Year three | 6,197 | 17,160
Year four | 16,190 | 10,098
Year five | 9,466 | 7,335
Prior | 15,055 | 16,642
Revolving | 656 | 715
Revolving to Term | 0 | 0
Total loans receivable | 63,642 | 66,376
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 20,683 | 8,777
Year two | 8,633 | 7,790
Year three | 7,671 | 40,426
Year four | 56,177 | 101,213
Year five | 88,708 | 43,115
Prior | 45,846 | 19,005
Revolving | 380 | 380
Revolving to Term | 0 | 0
Total loans receivable | 228,098 | 220,706
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 22,682 | 23,832
Year two | 13,350 | 25,102
Year three | 26,836 | 10,186
Year four | 9,012 | 346
Year five | 259 | 1,297
Prior | 1,981 | 868
Revolving | 234 | 16,412
Revolving to Term | 0 | 0
Total loans receivable | 74,354 | 78,043
Risk rating 1 to 5 | C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 12,127 | 17,599
Year two | 16,854 | 13,049
Year three | 8,390 | 28,343
Year four | 20,059 | 13,629
Year five | 8,871 | 8,787
Prior | 9,419 | 4,197
Revolving | 18,446 | 24,809
Revolving to Term | 0 | 0
Total loans receivable | 94,166 | 110,413
Risk rating 1 to 5 | C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 3,944 | 3,373
Year two | 1,181 | 3,062
Year three | 2,501 | 3,144
Year four | 2,212 | 563
Year five | 375 | 198
Prior | 948 | 1,884
Revolving | 18,438 | 17,609
Revolving to Term | 0 | 0
Total loans receivable | 29,599 | 29,833
Risk rating 1 to 5 | Residential mortgage: | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 8,649 | 13,400
Year two | 9,883 | 28,598
Year three | 24,140 | 30,386
Year four | 29,056 | 7,369
Year five | 6,753 | 2,141
Prior | 27,094 | 30,004
Revolving | 16,916 | 17,349
Revolving to Term | 0 | 0
Total loans receivable | 122,491 | 129,247
Risk rating 1 to 5 | Residential mortgage: | Purchased HELOC loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 1,862 | 2,839
Revolving to Term | 0 | 0
Total loans receivable | 1,862 | 2,839
Risk rating 1 to 5 | Consumer installment: | Originated indirect paper |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 2,536 | 3,944
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 2,536 | 3,944
Risk rating 1 to 5 | Consumer installment: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,142 | 1,519
Year two | 942 | 1,229
Year three | 782 | 811
Year four | 462 | 385
Year five | 208 | 341
Prior | 168 | 214
Revolving | 448 | 511
Revolving to Term | 0 | 0
Total loans receivable | 4,152 | 5,010
Risk rating 6 | Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 173
Year two | 776 | 1,406
Year three | 119 | 2,238
Year four | 2,207 | 138
Year five | 2,794 | 0
Prior | 3,481 | 0
Revolving | 24 | 0
Revolving to Term | 0 | 0
Total loans receivable | 9,401 | 3,955
Risk rating 6 | Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 139 | 140
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 139 | 140
Risk rating 6 | Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 0
Risk rating 6 | Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 103
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 103
Risk rating 6 | C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 230 | 0
Year two | 794 | 0
Year three | 1,435 | 3,062
Year four | 2,221 | 13
Year five | 61 | 0
Prior | 138 | 0
Revolving | 556 | 292
Revolving to Term | 0 | 626
Total loans receivable | 5,435 | 3,993
Risk rating 6 | C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 49
Year three | 46 | 0
Year four | 0 | 37
Year five | 30 | 240
Prior | 203 | 0
Revolving | 200 | 65
Revolving to Term | 0 | 0
Total loans receivable | 479 | 391
Risk rating 7 | Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 170 | 0
Year three | 1,318 | 553
Year four | 1,091 | 2,445
Year five | 1,969 | 214
Prior | 4,161 | 4,448
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 8,709 | 7,660
Risk rating 7 | Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 202
Year three | 197 | 477
Year four | 0 | 5,102
Year five | 0 | 0
Prior | 23 | 441
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 220 | 6,222
Risk rating 7 | Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 8,970 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 8,970 | 0
Risk rating 7 | Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 0
Risk rating 7 | C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 500
Year three | 280 | 74
Year four | 741 | 401
Year five | 381 | 0
Prior | 0 | 0
Revolving | 532 | 154
Revolving to Term | 0 | 0
Total loans receivable | 1,934 | 1,129
Risk rating 7 | C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 473
Year four | 0 | 320
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 793
Risk rating 7 | Residential mortgage: | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 130
Year four | 0 | 0
Year five | 134 | 0
Prior | 2,109 | 2,507
Revolving | 100 | 8
Revolving to Term | 0 | 0
Total loans receivable | 2,343 | 2,645
Risk rating 7 | Residential mortgage: | Purchased HELOC loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 117 | 117
Revolving to Term | 0 | 0
Total loans receivable | 117 | 117
Risk rating 7 | Consumer installment: | Originated indirect paper |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 30 | 26
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 30 | 26
Risk rating 7 | Consumer installment: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 2
Year two | 1 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 2 | 0
Revolving to Term | 0 | 0
Total loans receivable | $ 3 | $ 2

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