Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 14,500	$ 76,239	$ 67,522	$ 180,709
Other comprehensive income (loss), net of tax:
Amortization of loss on cash flow hedge	0	215	0	646
Foreign currency translation adjustment	240	(224)	(237)	(883)
Other comprehensive income (loss), net of tax	240	(9)	(237)	(237)
Comprehensive income	$ 14,740	$ 76,230	$ 67,285	$ 180,472