CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1,224)	$ 61	$ (5,978)	$ 4,674
Unrealized gain (loss) on derivative hedge transactions, net of tax	(25)	38	(161)	167
Comprehensive income (loss)	$ (1,249)	$ 99	$ (6,139)	$ 4,841