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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loan Portfolio (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | $ 1,580,949 | $ 1,536,463
Interest receivable on loans | 5,035 | 5,035
Total ending loans balance | 1,585,984 | 1,541,498
Commercial and industrial |  |
Composition of loan portfolio [Abstract] |  |
Payroll Protection Program Loans - CARES Act | 186,100 | 150,900
Commercial and Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Total ending loans balance | 400,719 | 370,252
Commercial and Agricultural | Commercial and industrial |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 398,923 | 368,663
Total ending loans balance | 400,281 | 369,968
Commercial and Agricultural | Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 436 | 283
Total ending loans balance | 438 | 284
Commercial mortgages: |  |
Composition of loan portfolio [Abstract] |  |
Total ending loans balance | 731,438 | 719,145
Commercial mortgages: | Construction |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 58,326 | 61,945
Total ending loans balance | 58,525 | 62,164
Commercial mortgages: | Commercial mortgages |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 670,628 | 654,663
Total ending loans balance | 672,913 | 656,981
Residential mortgages |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 245,231 | 239,401
Total ending loans balance | 245,843 | 240,013
Consumer loans: |  |
Composition of loan portfolio [Abstract] |  |
Total ending loans balance | 207,984 | 212,088
Consumer loans: | Home equity lines and loans |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 74,868 | 78,547
Total ending loans balance | 75,081 | 78,761
Consumer loans: | Indirect consumer loans |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 120,881 | 120,538
Total ending loans balance | 121,197 | 120,853
Consumer loans: | Direct consumer loans |  |
Composition of loan portfolio [Abstract] |  |
Loans, net of deferred loan fees | 11,656 | 12,423
Total ending loans balance | $ 11,706 | $ 12,474

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