INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current:
Federal	$ 14,730	$ 8,248	$ 3,926
State	780	1,230	507
Total current	15,510	9,478	4,433
Deferred:
Federal	2,388	1,457	2,187
State	897	(157)	619
Total deferred	3,285	1,300	2,806
Income tax expense	$ 18,795	$ 10,778	$ 7,239