INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Effective tax rate	20.50%	17.40%	20.70%
Valuation allowance	$ 130	$ 31
Interest and penalties	232	132	$ 207
Accrued interest and penalties	1,845	$ 1,612
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	2,367
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 1,026