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	(5,592)				(5,592)
Net income (loss)	(64,568)			(64,568)
Comprehensive income (loss)	(70,160)
Repurchase of common shares	(1,132)			(1,132)
Stock-based compensation expense	9,541		9,541
Ending Balance at Sep. 30, 2021	979,777	363	75,154	1,059,563	(155,303)
Beginning Balance at Jun. 30, 2021	995,324	363	71,878	1,071,838	(148,755)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment	(6,548)				(6,548)
Net income (loss)	(11,143)			(11,143)
Comprehensive income (loss)	(17,691)
Repurchase of common shares	(1,132)			(1,132)
Stock-based compensation expense	3,276		3,276
Ending Balance at Sep. 30, 2021	979,777	363	75,154	1,059,563	(155,303)
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	(19,829)				(19,829)
Net income (loss)	702			702
Comprehensive income (loss)	(19,127)
Repurchase of common shares	(20,807)	(9)		(20,798)
Stock-based compensation expense	7,669		7,669
Other	(6)		(6)
Ending Balance at Sep. 30, 2022	864,837	343	87,917	952,991	(176,414)
Beginning Balance at Jun. 30, 2022	868,689	348	85,351	948,917	(165,927)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustment	(10,487)				(10,487)
Net income (loss)	15,210			15,210
Comprehensive income (loss)	4,723
Repurchase of common shares	(11,150)	(5)		(11,145)
Stock-based compensation expense	2,569		2,569
Other	6		(3)	9
Ending Balance at Sep. 30, 2022	$ 864,837	$ 343	$ 87,917	$ 952,991	$ (176,414)