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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 57,138	$ (2,985)	$ 629,302
Unrealized net gain (loss) on available-for-sale securities, net of tax	(116)	(162)	200
Foreign currency translation adjustment	0	(423)	608
Comprehensive income (loss)	$ 57,022	$ (3,570)	$ 630,110

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