INCOME TAXES - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal tax expense	$ 7,796	$ 7,165	$ 2,639
State tax expense	1,106	1,280	550
Total current tax expense	8,902	8,445	3,189
Deferred tax expense	427	(38)	1,020
Income Tax Expense (Benefit), Total	$ 9,329	$ 8,407	$ 4,209