LOANS AND ALLOWANCE FOR LOAN LOSSES - Past due (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Total Past Due	$ 7,205	$ 8,358
Current	604,876	598,034
Total Loans	612,081	606,392	$ 584,824
90 Days or Greater Past Due and Still Accruing Interest	0	228
Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	2,513	3,537
Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	320	888
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	4,372	3,933
Commercial and Industrial [Member]
Total Past Due	4	46
Current	81,549	92,174
Total Loans	81,553	92,220	100,469
90 Days or Greater Past Due and Still Accruing Interest	0	0
Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	4	16
Commercial and Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	0	30
Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	0	0
Commercial Real Estate [Member]
Total Past Due	4,837	6,097
Current	359,553	342,379
Total Loans	364,390	348,476	316,066
90 Days or Greater Past Due and Still Accruing Interest	0	145
Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	1,130	1,990
Commercial Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	88	630
Commercial Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	3,619	3,477
Residential Portfolio Segment [Member]
Total Past Due	2,340	2,203
Current	158,022	157,538
Total Loans	160,362	159,741	162,480
90 Days or Greater Past Due and Still Accruing Interest	0	83
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	1,355	1,519
Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	232	228
Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	753	456
Consumer [Member]
Total Past Due	24	12
Current	5,752	5,943
Total Loans	5,776	5,955	$ 5,809
90 Days or Greater Past Due and Still Accruing Interest	0	0
Consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Total Past Due	24	12
Consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Total Past Due	0	0
Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due	$ 0	$ 0