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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loan Portfolio (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | $ 1,518,249 | $ 1,536,463
Interest receivable on loans | 4,133 | 5,035
Total recorded investment in loans | 1,522,382 | 1,541,498
Commercial, and Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Total recorded investment in loans | 258,013 | 370,252
Commercial Mortgages |  |
Composition of loan portfolio [Abstract] |  |
Total recorded investment in loans | 804,825 | 719,145
Commercial Mortgages | Construction |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 82,204 | 61,945
Total recorded investment in loans | 82,435 | 62,164
Commercial Mortgages | Commercial mortgages |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 720,358 | 654,663
Total recorded investment in loans | 722,390 | 656,981
Residential Mortgages |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 259,334 | 239,401
Total recorded investment in loans | 259,967 | 240,013
Consumer Loans |  |
Composition of loan portfolio [Abstract] |  |
Total recorded investment in loans | 199,577 | 212,088
Consumer Loans | Home equity lines and loans |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 70,670 | 78,547
Total recorded investment in loans | 70,854 | 78,761
Consumer Loans | Indirect Consumer Loans |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 118,569 | 120,538
Total recorded investment in loans | 118,855 | 120,853
Consumer Loans | Direct consumer loans |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 9,827 | 12,423
Total recorded investment in loans | 9,868 | 12,474
Commercial and industrial | Commercial, and Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 256,893 | 368,663
Total recorded investment in loans | 257,618 | 369,968
Agricultural | Commercial, and Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 394 | 283
Total recorded investment in loans | $ 395 | $ 284

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