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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Consolidated Statements of Comprehensive Income
Net income	$ 166,942	$ 26,038	$ (8,391)
Available-for-sale securities:
Change in net unrealized gains or losses	(514)	(311)	(53)
Unrealized gain (loss) on available-for-sale securities	(514)	(311)	(53)
Currency translation adjustments:
Change in currency translation adjustments	41	52	(5)
Net changes related to currency translation adjustments	(41)	(52)	5
Total other comprehensive income (loss), net of tax	(555)	(363)	(48)
Total comprehensive income	$ 166,387	$ 25,675	$ (8,439)

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