Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current Income Tax Expense (Benefit) [Abstract]
Federal	$ 1,378	$ 22,353	$ 2,390
State	909	847	1,153
Foreign	12,861	15,212	8,266
Current income tax provision	15,148	38,412	11,809
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	(3,781)	5,617	(5,558)
State	(3,107)	(1,031)	(976)
Foreign	(8,040)	(10,497)	(4,498)
Deferred income tax provision	(14,928)	(5,911)	(11,032)
Total provision for income taxes	$ 220	$ 32,501	$ 777