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LOANS AND ALLOWANCE FOR LOAN LOSSES, Allowance for Loans Losses and Recorded Investment in Loans by Portfolio Segment Based on Impairment Method (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Ending allowance balance attributable to loans [Abstract] |  |  |  |  |  |
Individually evaluated for impairment | $ 60 |  | $ 0 |  |  |
Collectively evaluated for impairment | 6,739 |  | 7,160 |  |  |
Total ending allowance balance | 6,799 | $ 6,887 | 7,160 | $ 7,981 | $ 8,729 | $ 6,272
Loans [Abstract] |  |  |  |  |  |
Loans individually evaluated for impairment | 8,130 |  | 11,026 |  |  |
Loans collectively evaluated for impairment | 839,786 |  | 837,638 |  |  |
Total ending loans balance | 847,916 |  | 848,664 |  |  |
Residential Real Estate [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans [Abstract] |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 1,088 |  | 1,480 |  |  |
Total ending allowance balance | 1,088 | 1,377 | 1,480 | 2,024 | 2,002 | 1,250
Loans [Abstract] |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  | 411 |  |  |
Loans collectively evaluated for impairment | 281,729 |  | 305,067 |  |  |
Total ending loans balance | 281,729 |  | 305,478 |  |  |
Commercial Real Estate [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans [Abstract] |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 2,538 |  | 2,431 |  |  |
Total ending allowance balance | 2,538 | 2,346 | 2,431 | 2,700 | 3,028 | 1,928
Loans [Abstract] |  |  |  |  |  |
Loans individually evaluated for impairment | 5,550 |  | 5,845 |  |  |
Loans collectively evaluated for impairment | 278,391 |  | 247,604 |  |  |
Total ending loans balance | 283,941 |  | 253,449 |  |  |
Commercial and Industrial [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans [Abstract] |  |  |  |  |  |
Individually evaluated for impairment | 11 |  | 0 |  |  |
Collectively evaluated for impairment | 1,729 |  | 1,776 |  |  |
Total ending allowance balance | 1,740 | 1,791 | 1,776 | 1,649 | 2,045 | 1,447
Loans [Abstract] |  |  |  |  |  |
Loans individually evaluated for impairment | 2,498 |  | 4,686 |  |  |
Loans collectively evaluated for impairment | 141,259 |  | 153,006 |  |  |
Total ending loans balance | 143,757 |  | 157,692 |  |  |
Consumer [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans [Abstract] |  |  |  |  |  |
Individually evaluated for impairment | 49 |  | 0 |  |  |
Collectively evaluated for impairment | 1,384 |  | 1,473 |  |  |
Total ending allowance balance | 1,433 | $ 1,373 | 1,473 | $ 1,608 | $ 1,654 | $ 1,647
Loans [Abstract] |  |  |  |  |  |
Loans individually evaluated for impairment | 82 |  | 84 |  |  |
Loans collectively evaluated for impairment | 138,407 |  | 131,961 |  |  |
Total ending loans balance | $ 138,489 |  | $ 132,045 |  |  |

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