INCOME TAXES - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Current	$ 6,368	$ 8,847	$ 3,323
Deferred tax (benefit) expense	(1,785)	(1,489)	2,828
Total income tax expense	$ 4,583	$ 7,358	$ 6,151