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LOANS - Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Impaired [Line Items]
With no specific allowance recorded	$ 7,885	$ 7,167
With a specific allowance recorded	1,334	464
Total recorded investment in impaired loans	9,219	7,631
Specific allowance on impaired loans	521	171
Average recorded investment in impaired loans	8,140	5,989
Interest recognized	201	73
Commercial Portfolio Segment
Financing Receivable, Impaired [Line Items]
With no specific allowance recorded	120	436
With a specific allowance recorded	728	182
Total recorded investment in impaired loans	848	618
Specific allowance on impaired loans	420	95
Average recorded investment in impaired loans	844	1,893
Interest recognized	4	34
Construction and Land Portfolio Segment
Financing Receivable, Impaired [Line Items]
With no specific allowance recorded	36	2,737
Total recorded investment in impaired loans	36	2,737
Average recorded investment in impaired loans	2,095	1,369
Interest recognized	151
Commercial Real Estate Portfolio Segment
Financing Receivable, Impaired [Line Items]
With no specific allowance recorded	5,689	2,505
With a specific allowance recorded	451	270
Total recorded investment in impaired loans	6,140	2,775
Specific allowance on impaired loans	77	64
Average recorded investment in impaired loans	3,468	2,131
Interest recognized	46	33
Residential Portfolio Segment
Financing Receivable, Impaired [Line Items]
With no specific allowance recorded	2,040	1,488
With a specific allowance recorded	155
Total recorded investment in impaired loans	2,195	1,488
Specific allowance on impaired loans	24
Average recorded investment in impaired loans	1,731	593
Interest recognized		6
Consumer Portfolio Segment
Financing Receivable, Impaired [Line Items]
With no specific allowance recorded		1
With a specific allowance recorded		12
Total recorded investment in impaired loans		13
Specific allowance on impaired loans		12
Average recorded investment in impaired loans	$ 2	$ 3

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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