INCOME TAXES - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Current	$ 5,439	$ 6,368	$ 8,847
Deferred tax benefit	(1,582)	(1,785)	(1,489)
Total income tax expense	$ 3,857	$ 4,583	$ 7,358