Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Consolidated Statements of Comprehensive Income
Net income	$ 9,655	$ 6,348	$ 22,985	$ 8,842
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on available-for-sale securities	(224)	(15)	(1,043)	(4)
Change in currency translation adjustments	(48)	(9)	(51)	(39)
Total other comprehensive income (loss), net of tax	(272)	(24)	(1,094)	(43)
Total comprehensive income	$ 9,383	$ 6,324	$ 21,891	$ 8,799