Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current income taxes:
Current income taxes, U.S. Federal		$ (452)	$ (1,932)	$ 0
Current income taxes, State and local		89	67	47
Current income taxes, Foreign		4,415	3,032	2,852
Total current income taxes		4,052	1,167	2,899
Deferred income taxes:
Deferred income taxes, U.S. Federal		126	(295)	(1,289)
Deferred income taxes, State and local	$ 1,200	135	(28)	(1,144)
Deferred income taxes, Foreign		(1,468)	14	35
Total deferred income taxes		(1,207)	(309)	(2,398)
Total income taxes		$ 2,845	$ 858	$ 501