CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)- UNAUDITED - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 5,317	$ 19,321	$ 11,430	$ 38,952
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(16,000)	2,212	(17,182)	1,857
Unrealized holding gains (losses) on short-term investments arising during period	5	(7)	3	(13)
Other comprehensive income (loss), net of tax	(15,995)	2,205	(17,179)	1,844
Total comprehensive income (loss), net of tax	$ (10,678)	$ 21,526	$ (5,749)	$ 40,796