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INCOME TAXES - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Federal statutory tax rate	$ 3,828	$ 5,000	$ 4,303
State statutory tax rate, net of federal effective tax rate	1,327	1,963	1,835
Tax exempt interest	(81)	(76)	(51)
Bank owned life insurance	(137)	(132)	(190)
Acquisition expenses	67	147	30
Other	(501)	(529)	69
Income Tax Expense (Benefit), Total	$ 4,503	$ 6,373	$ 5,996
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal statutory tax rate (as a percent)	21.00%	21.00%	21.00%
State statutory tax rate, net of federal effective tax rate (as a percent)	7.28%	8.29%	8.95%
Tax exempt interest (as a percent)	(0.44%)	(0.32%)	(0.25%)
Bank owned life insurance (as a percent)	(0.75%)	(0.56%)	(0.93%)
Acquisition expenses (as a percent)	0.37%	0.62%	0.14%
Other (as a percent)	(2.75%)	(2.23%)	0.35%
Effective Income Tax Rate Reconciliation, Percent	24.70%	26.80%	29.26%

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