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ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY - Loans Individually Evaluated For Impairment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid Principal Balance | $ 22,939 | $ 30,422 |
Recorded Investment | 20,179 | 27,829 |
Allowance for Loan Losses Allocated | 8,041 | 10,384 |
Average Recorded Investment | 23,362 | 26,464 | $ 18,035
Interest Income Recognized | 390 | 770 | 442
Cash Basis Interest Income Recognized | 385 | 651 | 306
Other Consumer Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with an allowance recorded |  | 17 |
Recorded investment with an allowance recorded |  | 17 |
Allowance for loans losses allocated with an allowance recorded |  | 6 |
Average Recorded Investment with an allowance recorded |  | 21 |
Interest Income Recognized with an allowance recorded |  | 2 |
Cash basis interest income recognized with an allowance recorded |  | 1 |
Commercial and Industrial Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Allowance for Loan Losses Allocated | 6,310 | 9,324 |
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded | 346 | 22 |
Unpaid principal balance with an allowance recorded | 433 | 6,214 |
Recorded Investment with no related allowance recorded | 173 | 22 |
Recorded investment with an allowance recorded | 433 | 6,214 |
Allowance for loan losses allocated with no related allowance recorded | 0 | 0 |
Allowance for loans losses allocated with an allowance recorded | 255 | 3,089 |
Average Recorded Investment with no related allowance recorded | 375 | 176 | 785
Average Recorded Investment with an allowance recorded | 2,433 | 6,335 | 3,307
Interest Income Recognized with no related allowance recorded | 0 | 9 | 26
Interest Income Recognized with an allowance recorded | 0 | 143 | 74
Cash basis interest income recognized with no related allowance recorded | 0 | 9 | 23
Cash basis interest income recognized with an allowance recorded | 0 | 81 | 12
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded | 2,399 | 2,130 |
Unpaid principal balance with an allowance recorded | 11,644 | 13,230 |
Recorded Investment with no related allowance recorded | 968 | 735 |
Recorded investment with an allowance recorded | 10,959 | 12,609 |
Allowance for loan losses allocated with no related allowance recorded | 0 | 0 |
Allowance for loans losses allocated with an allowance recorded | 6,055 | 6,235 |
Average Recorded Investment with no related allowance recorded | 816 | 1,170 | 1,862
Average Recorded Investment with an allowance recorded | 11,579 | 11,800 | 5,328
Interest Income Recognized with no related allowance recorded | 21 | 40 | 74
Interest Income Recognized with an allowance recorded | 287 | 448 | 138
Cash basis interest income recognized with no related allowance recorded | 21 | 30 | 68
Cash basis interest income recognized with an allowance recorded | 287 | 410 | 81
Commercial Real Estate and Multi-family Residential Loans |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Allowance for Loan Losses Allocated | 1,377 | 538 |
Commercial Real Estate and Multi-family Residential Loans | Construction and Land Development Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Average Recorded Investment with no related allowance recorded |  |  | 58
Average Recorded Investment with an allowance recorded |  |  | 453
Interest Income Recognized with no related allowance recorded |  |  | 5
Interest Income Recognized with an allowance recorded |  |  | 26
Cash basis interest income recognized with no related allowance recorded |  |  | 4
Cash basis interest income recognized with an allowance recorded |  |  | 29
Commercial Real Estate and Multi-family Residential Loans | Owner Occupied Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded | 3,002 | 3,189 |
Unpaid principal balance with an allowance recorded | 2,589 | 1,988 |
Recorded Investment with no related allowance recorded | 2,930 | 3,010 |
Recorded investment with an allowance recorded | 2,588 | 1,988 |
Allowance for loan losses allocated with no related allowance recorded | 0 | 0 |
Allowance for loans losses allocated with an allowance recorded | 1,377 | 538 |
Average Recorded Investment with no related allowance recorded | 2,156 | 2,354 | 2,291
Average Recorded Investment with an allowance recorded | 3,156 | 1,849 | 1,631
Interest Income Recognized with no related allowance recorded | 13 | 34 | 36
Interest Income Recognized with an allowance recorded | 30 | 43 | 9
Cash basis interest income recognized with no related allowance recorded | 12 | 34 | 37
Cash basis interest income recognized with an allowance recorded | 30 | 39 | 1
Agri-business and Agricultural Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Allowance for Loan Losses Allocated | 84 | 90 |
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded | 603 | 603 |
Unpaid principal balance with an allowance recorded | 145 | 147 |
Recorded Investment with no related allowance recorded | 283 | 283 |
Recorded investment with an allowance recorded | 145 | 147 |
Allowance for loan losses allocated with no related allowance recorded | 0 | 0 |
Allowance for loans losses allocated with an allowance recorded | 84 | 90 |
Average Recorded Investment with no related allowance recorded | 283 | 283 | 283
Average Recorded Investment with an allowance recorded | 147 | 147 | 12
Interest Income Recognized with no related allowance recorded | 0 | 0 | 0
Interest Income Recognized with an allowance recorded | 0 | 3 | 1
Cash basis interest income recognized with no related allowance recorded | 0 | 0 | 0
Cash basis interest income recognized with an allowance recorded | 0 | 1 | 0
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded |  | 15 |
Recorded Investment with no related allowance recorded |  | 15 |
Allowance for loan losses allocated with no related allowance recorded |  | 0 |
Average Recorded Investment with no related allowance recorded |  | 4 |
Interest Income Recognized with no related allowance recorded |  | 0 |
Cash basis interest income recognized with no related allowance recorded |  | 0 |
Consumer 1-4 Family Mortgage Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Allowance for Loan Losses Allocated | 270 | 426 |
Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with an allowance recorded |  | 641 |
Recorded investment with an allowance recorded |  | 640 |
Allowance for loans losses allocated with an allowance recorded |  | 53 |
Average Recorded Investment with no related allowance recorded | 49 | 133 | 205
Average Recorded Investment with an allowance recorded | 481 | 268 | 38
Interest Income Recognized with no related allowance recorded | 0 | 0 | 0
Interest Income Recognized with an allowance recorded | 0 | 0 | 0
Cash basis interest income recognized with no related allowance recorded | 0 | 0 | 0
Cash basis interest income recognized with an allowance recorded | 0 | 0 | 0
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded | 316 | 411 |
Unpaid principal balance with an allowance recorded | 1,457 | 1,643 |
Recorded Investment with no related allowance recorded | 236 | 330 |
Recorded investment with an allowance recorded | 1,459 | 1,646 |
Allowance for loan losses allocated with no related allowance recorded | 0 | 0 |
Allowance for loans losses allocated with an allowance recorded | 270 | 363 |
Average Recorded Investment with no related allowance recorded | 291 | 272 | 521
Average Recorded Investment with an allowance recorded | 1,557 | 1,643 | 1,214
Interest Income Recognized with no related allowance recorded | 3 | 3 | 13
Interest Income Recognized with an allowance recorded | 36 | 45 | 37
Cash basis interest income recognized with no related allowance recorded | 2 | 3 | 12
Cash basis interest income recognized with an allowance recorded | 33 | 43 | 36
Consumer 1-4 Family Mortgage Loans [Member] | Open End and Junior Lien Loans |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with no related allowance recorded | 5 | 121 |
Recorded Investment with no related allowance recorded | 5 | 121 |
Allowance for loan losses allocated with no related allowance recorded | 0 | 0 |
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Unpaid principal balance with an allowance recorded |  | 51 |
Recorded investment with an allowance recorded |  | 52 |
Allowance for loans losses allocated with an allowance recorded |  | 10 |
Average Recorded Investment with an allowance recorded | 35 | 9 |
Interest Income Recognized with an allowance recorded | 0 | 0 |
Cash basis interest income recognized with an allowance recorded | $ 0 | $ 0 |
Consumer 1-4 Family Mortgage Loans [Member] | Other Consumer Loans [Member] |  |  |
Loans Individually Evaluated for Impairment [Abstract] |  |  |
Average Recorded Investment with an allowance recorded |  |  | 47
Interest Income Recognized with an allowance recorded |  |  | 3
Cash basis interest income recognized with an allowance recorded |  |  | $ 3

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