Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal									$ 17,760	$ 16,616	$ 7,814
State									5,373	2,910	4,589
India									1,788	1,004	757
Foreign Other									2,990	2,515	2,784
Total									27,911	23,045	15,944
Deferred:
Federal									(497)	(1,943)	4,584
State									(1,031)	624	(619)
India									(387)	36	(152)
Foreign Other									649	1,191	1,100
Total									(1,266)	(92)	4,913
Total income tax provision	$ 6,423	$ 9,176	$ 3,884	$ 7,162	$ 1,633	$ 7,262	$ 7,458	$ 6,600	$ 26,645	$ 22,953	$ 20,857