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LOANS AND RELATED ALLOWANCE FOR LOAN LOSSES, Past Due (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Recorded investment of past due [Abstract] |  |  |
Total past due | $ 7,020 | $ 4,637 |
Current | 1,714,673 | 1,433,094 |
PCI | 3,306 | 3,802 |
Total loan receivables | 1,724,999 | 1,441,533 |
90 Days and accruing | 7 | 46 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Total past due and non-accrual | 3,568 | 3,624 |
Current and non-accrual | 3,370 | 3,992 |
PCI Loans considered non accrual | 0 | 0 |
Financing receivable nonaccrual status | 6,938 | 7,616 |
Foregone interest income | 676 | 573 | $ 756
Financing receivables on accrual status [Abstract] |  |  |
Total past due and still accruing | 3,452 | 1,013 |
Current and still accruing | 1,711,303 | 1,429,102 |
PCI Loans still accruing | 3,306 | 3,802 |
Total financing receivables and still accruing | $ 1,718,061 | 1,433,917 |
Minimum [Member] |  |  |
Financing receivables on nonaccrual status [Abstract] |  |  |
Period of past due after which loans considered as non accrual | 90 days |  |
30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | $ 3,276 | 671 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Total past due and non-accrual | 46 | 0 |
Financing receivables on accrual status [Abstract] |  |  |
Total past due and still accruing | 3,230 | 671 |
60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 291 | 296 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Total past due and non-accrual | 76 | 0 |
Financing receivables on accrual status [Abstract] |  |  |
Total past due and still accruing | 215 | 296 |
90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 3,453 | 3,670 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Total past due and non-accrual | 3,446 | 3,624 |
Financing receivables on accrual status [Abstract] |  |  |
Total past due and still accruing | 7 | 46 |
Real Estate Loans [Member] | Mortgages [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 717 | 599 |
Current | 161,843 | 150,329 |
PCI | 9 | 14 |
Total loan receivables | 162,569 | 150,942 |
90 Days and accruing | 0 | 13 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Financing receivable nonaccrual status | 562 | 595 |
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 356 | 220 |
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 132 | 170 |
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 229 | 209 |
Real Estate Loans [Member] | Home Equity [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 86 | 136 |
Current | 47,558 | 50,019 |
PCI | 0 | 0 |
Total loan receivables | 47,644 | 50,155 |
90 Days and accruing | 0 | 33 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Financing receivable nonaccrual status | 29 | 0 |
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 48 | 103 |
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 9 | 0 |
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 29 | 33 |
Real Estate Loans [Member] | Commercial [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 2,968 | 2,211 |
Current | 871,745 | 682,982 |
PCI | 1,856 | 2,145 |
Total loan receivables | 876,569 | 687,338 |
90 Days and accruing | 0 | 0 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Financing receivable nonaccrual status | 2,778 | 2,945 |
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 1,065 | 127 |
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 115 | 115 |
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 1,788 | 1,969 |
Real Estate Loans [Member] | Agricultural [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 1,368 | 1,398 |
Current | 310,805 | 308,970 |
PCI | 1,441 | 1,643 |
Total loan receivables | 313,614 | 312,011 |
90 Days and accruing | 0 | 0 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Financing receivable nonaccrual status | 3,222 | 3,133 |
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 31 |
Real Estate Loans [Member] | Agricultural [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 0 |
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 1,368 | 1,367 |
Real Estate Loans [Member] | Construction [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 0 |
Current | 80,691 | 55,036 |
PCI | 0 | 0 |
Total loan receivables | 80,691 | 55,036 |
90 Days and accruing | 0 | 0 |
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 0 |
Real Estate Loans [Member] | Construction [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 0 |
Real Estate Loans [Member] | Construction [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 0 |
Consumer [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 154 | 164 |
Current | 86,496 | 25,694 |
PCI | 0 | 0 |
Total loan receivables | 86,650 | 25,858 |
90 Days and accruing | 7 | 0 |
Consumer [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 147 | 163 |
Consumer [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 1 |
Consumer [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 7 | 0 |
Other Commercial Loans [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 1,727 | 119 |
Current | 61,495 | 74,466 |
PCI | 0 | 0 |
Total loan receivables | 63,222 | 74,585 |
90 Days and accruing | 0 | 0 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Financing receivable nonaccrual status | 62 | 140 |
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 1,660 | 17 |
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 35 | 10 |
Other Commercial Loans [Member] | 90 Days Or Greater [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 32 | 92 |
Other Agricultural Loans [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 10 |
Current | 34,832 | 39,842 |
PCI | 0 | 0 |
Total loan receivables | 34,832 | 39,852 |
90 Days and accruing | 0 | 0 |
Financing receivables on nonaccrual status [Abstract] |  |  |
Financing receivable nonaccrual status | 285 | 803 |
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 10 |
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member] |  |  |
Recorded investment of past due [Abstract] |  |  |
Total past due | 0 | 0 |
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 | 0 | 0 |
Current | 59,208 | 45,756 |
PCI | 0 | 0 |
Total loan receivables | 59,208 | 45,756 |
90 Days and accruing | 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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