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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net (loss)	$ (6,617)	$ (25,372)
Other comprehensive income (loss), net of tax
Unrealized gain on available-for-sale securities	1,010	100
Foreign currency translation adjustments	(730)	(514)
Total other comprehensive income (loss), net of tax	280	(414)
Comprehensive (loss)	$ (6,337)	$ (25,786)

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