Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (80,696)	$ (12,946)	$ 32,281
Foreign currency translation adjustments (net of tax benefit of $293, $373, $414)	2,086	(274)	(14,454)
Recognition of Brazil cumulative foreign currency translation losses	(11,689)	0	0
Comprehensive income (loss)	$ (66,921)	$ (13,220)	$ 17,827