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LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES, Past Due (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Recorded investment of past due [Abstract] |  |
Total past due | $ 2,313,242 | $ 2,248,836
90 days or greater and accruing | 276 | 516
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 25,701 | 12,187
Nonaccrual With a related allowance | 5,648 | 4,398
Nonaccrual Without a related allowance | 20,053 | 7,789
90 days or greater past due and accruing | 276 | 516
Total non-performing loans | 25,977 | 12,703
Financing receivables on accrual status [Abstract] |  |
Total financing receivables and still accruing | $ 2,287,541 | 2,236,649
Minimum [Member] |  |
Financing receivables on nonaccrual status [Abstract] |  |
Period of past due after which loans considered as non accrual | 90 days |
Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | $ 2,289,044 | 2,229,685
Financing receivables on nonaccrual status [Abstract] |  |
Current and non-accrual | 9,795 | 4,008
Financing receivable nonaccrual status | 2,289,044 | 2,229,685
Financing receivables on accrual status [Abstract] |  |
Current and still accruing | 2,279,249 | 2,225,677
Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 24,198 | 19,151
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 15,906 | 8,179
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 8,292 | 10,972
30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 8,245 | 9,251
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 2,428 | 199
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 5,817 | 9,052
60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,199 | 2,070
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 0 | 666
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 2,199 | 1,404
90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 13,754 | 7,830
Financing receivables on nonaccrual status [Abstract] |  |
Total past due and non-accrual | 13,478 | 7,314
Financing receivables on accrual status [Abstract] |  |
Total past due and still accruing | 276 | 516
Home Equity [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 49,663 | 49,791
Commercial [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,121,435 | 1,092,887
Construction [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 164,326 | 195,826
Real Estate Loans [Member] | Mortgages [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 301,735 | 310,199
90 days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 2,706 | 2,961
Nonaccrual With a related allowance | 165 | 315
Nonaccrual Without a related allowance | 2,541 | 2,646
90 days or greater past due and accruing | 0 | 0
Total non-performing loans | 2,706 | 2,961
Real Estate Loans [Member] | Mortgages [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 298,439 | 304,917
Real Estate Loans [Member] | Mortgages [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 3,296 | 5,282
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,464 | 2,682
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 227 | 360
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,605 | 2,240
Real Estate Loans [Member] | Home Equity [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 49,663 | 49,791
90 days or greater and accruing | 0 | 18
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 165 | 121
Nonaccrual With a related allowance | 0 | 0
Nonaccrual Without a related allowance | 165 | 121
90 days or greater past due and accruing | 0 | 18
Total non-performing loans | 165 | 139
Real Estate Loans [Member] | Home Equity [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 49,207 | 49,508
Real Estate Loans [Member] | Home Equity [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 456 | 283
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 138 | 145
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 170 | 67
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 148 | 71
Real Estate Loans [Member] | Commercial [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,121,435 | 1,092,887
90 days or greater and accruing | 0 | 404
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 14,364 | 1,135
Nonaccrual With a related allowance | 2,099 | 256
Nonaccrual Without a related allowance | 12,265 | 879
90 days or greater past due and accruing | 0 | 404
Total non-performing loans | 14,364 | 1,539
Real Estate Loans [Member] | Commercial [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,110,765 | 1,090,111
Real Estate Loans [Member] | Commercial [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 10,670 | 2,776
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,782 | 1,151
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,360 | 245
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 6,528 | 1,380
Real Estate Loans [Member] | Agricultural [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 327,722 | 314,802
90 days or greater and accruing | 269 | 75
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 4,062 | 2,670
Nonaccrual With a related allowance | 0 | 181
Nonaccrual Without a related allowance | 4,062 | 2,489
90 days or greater past due and accruing | 269 | 75
Total non-performing loans | 4,331 | 2,745
Real Estate Loans [Member] | Agricultural [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 324,168 | 313,290
Real Estate Loans [Member] | Agricultural [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 3,554 | 1,512
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,569 | 72
Real Estate Loans [Member] | Agricultural [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 140 | 0
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,845 | 1,440
Real Estate Loans [Member] | Construction [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 164,326 | 195,826
90 days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 283 | 2,357
Nonaccrual With a related allowance | 0 | 2,357
Nonaccrual Without a related allowance | 283 | 0
90 days or greater past due and accruing | 0 | 0
Total non-performing loans | 283 | 2,357
Real Estate Loans [Member] | Construction [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 162,924 | 188,674
Real Estate Loans [Member] | Construction [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,402 | 7,152
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,119 | 4,407
Real Estate Loans [Member] | Construction [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 388
Real Estate Loans [Member] | Construction [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 283 | 2,357
Consumer [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 133,207 | 61,316
90 days or greater and accruing | 7 | 13
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 1,002 | 701
Nonaccrual With a related allowance | 1,002 | 701
Nonaccrual Without a related allowance | 0 | 0
90 days or greater past due and accruing | 7 | 13
Total non-performing loans | 1,009 | 714
Consumer [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 131,886 | 60,995
Consumer [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,321 | 321
Consumer [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 292 | 16
Consumer [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 20 | 282
Consumer [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 1,009 | 23
Other Commercial Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 131,310 | 136,168
90 days or greater and accruing | 0 | 6
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 2,582 | 1,750
Nonaccrual With a related allowance | 2,382 | 588
Nonaccrual Without a related allowance | 200 | 1,162
90 days or greater past due and accruing | 0 | 6
Total non-performing loans | 2,582 | 1,756
Other Commercial Loans [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 128,214 | 134,813
Other Commercial Loans [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 3,096 | 1,355
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 478 | 670
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 282 | 366
Other Commercial Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 2,336 | 319
Other Agricultural Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 29,662 | 30,673
90 days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
Financing receivable nonaccrual status | 537 | 492
Nonaccrual With a related allowance | 0 | 0
Nonaccrual Without a related allowance | 537 | 492
90 days or greater past due and accruing | 0 | 0
Total non-performing loans | 537 | 492
Other Agricultural Loans [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 29,259 | 30,203
Other Agricultural Loans [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 403 | 470
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 403 | 108
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 362
Other Agricultural Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
State and Political Subdivision Loans [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 54,182 | 57,174
90 days or greater and accruing | 0 | 0
Financing receivables on nonaccrual status [Abstract] |  |
90 days or greater past due and accruing | 0 | 0
State and Political Subdivision Loans [Member] | Current [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 54,182 | 57,174
State and Political Subdivision Loans [Member] | Total Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
State and Political Subdivision Loans [Member] | 30 to 59 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
State and Political Subdivision Loans [Member] | 60 to 89 Days Past Due [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | 0 | 0
State and Political Subdivision Loans [Member] | 90 Days Or Greater [Member] |  |
Recorded investment of past due [Abstract] |  |
Total past due | $ 0 | $ 0

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