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LOANS AND ALLOWANCE FOR LOAN LOSSES - Loan Portfolio (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | $ 1,557,999 | $ 1,536,463
Interest receivable on loans | 4,823 | 5,035
Total ending loans balance | 1,562,822 | 1,541,498
Commercial and industrial |  |
Composition of loan portfolio [Abstract] |  |
Payroll Protection Program Loans - CARES Act | 139,700 | 150,900
Commercial and Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Total ending loans balance | 341,994 | 370,252
Commercial and Agricultural | Commercial and industrial |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 340,441 | 368,663
Total ending loans balance | 341,572 | 369,968
Commercial and Agricultural | Agricultural |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 420 | 283
Total ending loans balance | 422 | 284
Commercial mortgages: |  |
Composition of loan portfolio [Abstract] |  |
Total ending loans balance | 767,200 | 719,145
Commercial mortgages: | Construction |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 67,743 | 61,945
Total ending loans balance | 67,968 | 62,164
Commercial mortgages: | Commercial mortgages |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 696,916 | 654,663
Total ending loans balance | 699,232 | 656,981
Residential mortgages |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 246,667 | 239,401
Total ending loans balance | 247,309 | 240,013
Consumer loans: |  |
Composition of loan portfolio [Abstract] |  |
Total ending loans balance | 206,319 | 212,088
Consumer loans: | Home equity lines and loans |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 74,129 | 78,547
Total ending loans balance | 74,309 | 78,761
Consumer loans: | Indirect consumer loans |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 120,612 | 120,538
Total ending loans balance | 120,895 | 120,853
Consumer loans: | Direct consumer loans |  |
Composition of loan portfolio [Abstract] |  |
Total loans, net of deferred loan fees and costs | 11,071 | 12,423
Total ending loans balance | $ 11,115 | $ 12,474

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