Income Taxes - Schedule of Income Before Provision for Income Taxes (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
Income Taxes
Domestic									$ 14,930	$ 44,343	$ 52,798
Foreign									14,193	13,422	13,366
Income before provision for income taxes	$ 4,638	$ 8,775	$ 6,630	$ 9,080	$ 7,564	$ 20,717	$ 19,319	$ 10,165	$ 29,123	$ 57,765	$ 66,164