INCOME TAXES, Summary of Provision for Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Federal [Abstract]
Current	$ 4,614	$ 1,688	$ 8,158	$ 6,340
Deferred	(3,925)	4,196	(2,487)	4,455
Federal income tax expense	689	5,884	5,671	10,795
State [Abstract]
Current	1,072	416	1,347	1,147
Deferred	(1,064)	455	(526)	523
State income tax expense	8	871	821	1,670
Total income taxes	$ 697	$ 6,755	$ 6,492	$ 12,465