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ALLOWANCE FOR LOAN LOSSES - Additional Information (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans individually evaluated for impairment | $ 521 | $ 171 |
Loans collectively evaluated for impairment | 16,872 | 7,229 |
Loans and Leases Receivable, Allowance, Total | 17,500 | 7,400 | $ 5,140
Individually evaluated for impairment | 9,219 | 7,631 |
Collectively evaluated for impairment | 1,622,330 | 1,433,117 |
Total loans | 1,647,159 | 1,458,080 |
Nonperforming Financial Instruments [Member] |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans and Leases Receivable, Allowance, Total | 107 |  |
Total loans | 15,610 | 17,332 |
Commercial Portfolio Segment |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans individually evaluated for impairment | 420 | 171 |
Loans collectively evaluated for impairment | 3,515 | 1,617 |
Loans and Leases Receivable, Allowance, Total | 4,042 | 1,788 | 1,094
Individually evaluated for impairment | 848 | 618 |
Collectively evaluated for impairment | 308,491 | 168,129 |
Total loans | 309,961 | 169,291 |
Commercial Portfolio Segment | Nonperforming Financial Instruments [Member] |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans and Leases Receivable, Allowance, Total | 107 |  |
Total loans | 622 | 544 |
Construction and Land Portfolio Segment |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans collectively evaluated for impairment | 378 | 167 |
Loans and Leases Receivable, Allowance, Total | 378 | 167 | 352
Individually evaluated for impairment | 36 | 2,737 |
Collectively evaluated for impairment | 22,609 | 33,361 |
Total loans | 22,696 | 36,321 |
Construction and Land Portfolio Segment | Nonperforming Financial Instruments [Member] |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Total loans | 51 | 223 |
Commercial Real Estate Portfolio Segment |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans individually evaluated for impairment | 77 |  |
Loans collectively evaluated for impairment | 11,134 | 5,004 |
Loans and Leases Receivable, Allowance, Total | 11,211 | 5,004 | 3,460
Individually evaluated for impairment | 6,140 | 2,775 |
Collectively evaluated for impairment | 1,126,004 | 1,076,262 |
Total loans | 1,144,560 | 1,093,142 |
Commercial Real Estate Portfolio Segment | Nonperforming Financial Instruments [Member] |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Total loans | 12,416 | 14,105 |
Residential Portfolio Segment |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans individually evaluated for impairment | 24 |  |
Loans collectively evaluated for impairment | 1,832 | 427 |
Loans and Leases Receivable, Allowance, Total | 1,856 | 427 | 231
Individually evaluated for impairment | 2,195 | 1,488 |
Collectively evaluated for impairment | 160,008 | 152,818 |
Total loans | 164,724 | 156,764 |
Residential Portfolio Segment | Nonperforming Financial Instruments [Member] |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Total loans | 2,521 | 2,458 |
Consumer Portfolio Segment |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Loans collectively evaluated for impairment | 13 | 14 |
Loans and Leases Receivable, Allowance, Total | 13 | 14 | $ 3
Individually evaluated for impairment |  | 13 |
Collectively evaluated for impairment | 5,218 | 2,547 |
Total loans | $ 5,218 | 2,562 |
Consumer Portfolio Segment | Nonperforming Financial Instruments [Member] |  |  |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |
Total loans |  | $ 2 |

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