LOANS AND ALLOWANCE FOR LOAN LOSSES - Past due (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Total Past Due	$ 8,737	$ 9,902
Current - 29 Days Past Due	733,168	710,708
Total Loans	741,905	720,610	$ 676,914
90 Days or Greater Past Due and Still Accruing Interest	0	13
Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	1,347	2,526
Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	96	1,048
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	7,294	6,328
Commercial and Industrial [Member]
Total Past Due	704	745
Current - 29 Days Past Due	103,190	91,130
Total Loans	103,894	91,875	100,293
90 Days or Greater Past Due and Still Accruing Interest	0
Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	0
Commercial and Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due		0
Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	704	745
Commercial Real Estate. [Member]
Total Past Due	6,374	7,399
Current - 29 Days Past Due	480,451	459,329
Total Loans	486,825	466,728	416,480
90 Days or Greater Past Due and Still Accruing Interest	0
Commercial Real Estate. [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	836	1,879
Commercial Real Estate. [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	50	968
Commercial Real Estate. [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	5,488	4,552
Residential Real Estate. [Member]
Total Past Due	1,659	1,733
Current - 29 Days Past Due	144,306	155,250
Total Loans	145,965	156,983	154,794
90 Days or Greater Past Due and Still Accruing Interest	0	13
Residential Real Estate. [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	511	628
Residential Real Estate. [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	46	74
Residential Real Estate. [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	1,102	1,031
Consumer [Member]
Total Past Due		25
Current - 29 Days Past Due	5,221	4,999
Total Loans	5,221	5,024	$ 5,347
90 Days or Greater Past Due and Still Accruing Interest	0
Consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	0	19
Consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due		6
Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	$ 0	$ 0