INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 10,450	$ 2,203	$ 2,635
State	2,101	1,031	771
Total current	12,551	3,234	3,406
Deferred expense (benefit)
Federal	(3,716)	117	1,268
State	(237)	22	81
Total deferred expense (benefit)	(3,953)	139	1,349
Income tax expense	$ 8,598	$ 3,373	$ 4,755