Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,411	$ 8,852	$ 17,515	$ (3,872)
Other comprehensive loss, net of tax of $0:
Net unrealized gains (losses) on cash flow hedges	0	13	0	(148)
Reclassification of net gains on cash flow hedges realized into net income (loss)	0	(59)	(22)	(252)
Currency translation adjustment	(9)	4	(9)	4
Total other comprehensive loss	(9)	(42)	(31)	(396)
Total comprehensive income (loss)	$ 1,402	$ 8,810	$ 17,484	$ (4,268)