Income Taxes - Schedule of Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current
Federal	$ 2,265	$ 2,533	$ 1,393
Foreign	4,418	4,929	4,738
State and local	580	1,137	700
Total current expense	7,263	8,599	6,831
Deferred expense
Federal	1,288	2,157	8,872
Foreign	351	(142)	12
State and local	260	368	704
Total deferred expense	1,899	2,383	9,588
Provision for income taxes	$ 9,162	$ 10,982	$ 16,419