INCOME TAXES - Components of provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current provision:
Federal	$ 6,637	$ 6,173	$ 8,623
State	202	616	546
Deferred (benefit) provision:
Federal	(715)	384	1,511
State	95	(6)	8
Total income tax provision	$ 6,219	$ 7,167	$ 10,688

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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