CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Losses
Beginning Balance at Dec. 31, 2020	$ 1,041,528	$ 363	$ 65,613	$ 1,125,263	$ (149,711)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment	(2,090)				(2,090)
Net loss	(34,358)			(34,358)
Comprehensive loss	(36,448)
Stock-based compensation expense	3,186		3,186
Ending Balance at Mar. 31, 2021	1,008,266	363	68,799	1,090,905	(151,801)
Beginning Balance at Dec. 31, 2021	897,108	352	80,254	973,087	(156,585)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment	2,886				2,886
Net loss	(8,938)			(8,938)
Comprehensive loss	(6,052)
Repurchase of common shares	(5,808)	(3)		(5,805)
Stock-based compensation expense	2,527		2,527
Ending Balance at Mar. 31, 2022	$ 887,775	$ 349	$ 82,781	$ 958,344	$ (153,699)