INCOME TAXES - Reconciliation of Tax (Benefit) Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Federal	$ 0	$ (886)	$ (866)
State	(76)	(41)	(1,412)
Total current	(76)	(927)	(2,278)
Federal	(18,293)	9,951	3,281
State	(3,163)	2,169	257
Total deferred	(21,456)	12,120	3,538
Tax provision (benefit)	$ (21,532)	$ 11,193	$ 1,260