UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 21,736	$ 11,572
Other comprehensive income (loss), net of tax:
Unrealized losses on available-for-sale securities	(74)	(64)
Unrealized gain (loss) on interest rate hedge	3,108	(18,382)
Reclassification adjustment for losses on interest rate hedge included in net income	2,448	1,098
Foreign currency translation adjustments	6,466	(41,958)
Other comprehensive income (loss), net of tax	11,948	(59,306)
Comprehensive income (loss)	$ 33,684	$ (47,734)