CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (7,364)	$ 161
Unrealized gain (loss) on derivative hedge transactions, net of tax	(47)	83
Comprehensive income (loss)	$ (7,411)	$ 244