INCOME TAXES (Summary of Provision for Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Federal:
Current	$ 5,076	$ 15,523	$ 16,659
Deferred	(2,771)	6,118	1,059
Federal income tax expense	2,305	21,641	17,718
State:
Current	674	2,489	2,204
Deferred	(296)	623	186
State income tax expense	378	3,112	2,390
Total income tax expense	2,683	24,753	20,108
Parent Company [Member]
State:
Total income tax expense	$ 2,683	$ 24,753	$ 20,108