TAXES - Income Tax Provision (Benefit) Components (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income tax provision (benefit)
Federal	$ 8,680	$ 9,933	$ 12,834
State	518	417	477
Current tax provision	9,198	10,350	13,311
Federal	(659)	3,738	99
State	12	73	(52)
Deferred tax provision (benefit)	(647)	3,811	47
Total tax provision	$ 8,551	$ 14,161	$ 13,358