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	956				956
Net loss	(53,425)			(53,425)
Comprehensive loss	(52,469)
Stock-based compensation expense	6,265		6,265
Ending Balance at Jun. 30, 2021	995,324	363	71,878	1,071,838	(148,755)
Beginning Balance at Mar. 31, 2021	1,008,266	363	68,799	1,090,905	(151,801)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment	3,046				3,046
Net loss	(19,067)			(19,067)
Comprehensive loss	(16,021)
Stock-based compensation expense	3,079		3,079
Ending Balance at Jun. 30, 2021	995,324	363	71,878	1,071,838	(148,755)
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	(9,342)				(9,342)
Net loss	(14,508)			(14,508)
Comprehensive loss	(23,850)
Repurchase of common shares	(9,657)	(4)		(9,653)
Stock-based compensation expense	5,100		5,100
Other	(12)		(3)	(9)
Ending Balance at Jun. 30, 2022	868,689	348	85,351	948,917	(165,927)
Beginning Balance at Mar. 31, 2022	887,775	349	82,781	958,344	(153,699)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment	(12,228)				(12,228)
Net loss	(5,570)			(5,570)
Comprehensive loss	(17,798)
Repurchase of common shares	(3,850)	(1)		(3,849)
Stock-based compensation expense	2,573		2,573
Other	(11)		(3)	(8)
Ending Balance at Jun. 30, 2022	$ 868,689	$ 348	$ 85,351	$ 948,917	$ (165,927)