CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (12,919)	$ 4,142	$ 9,523
Unrealized gain (loss) on derivative hedge transactions, net of tax	(121)	78	98
Comprehensive income (loss)	$ (13,040)	$ 4,220	$ 9,621