Income Taxes - Provision For Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
U.S. Federal	$ 1,892	$ 805	$ (236)
State	706	1,384	561
Foreign	11,440	12,572	10,301
Total current	14,038	14,761	10,626
Deferred:
U.S. Federal	(2,926)	(331)	(3,848)
State	1,181	66	(796)
Foreign	(2,505)	501	(1,089)
Total deferred	(4,250)	236	(5,733)
Total provision for income taxes	$ 9,788	$ 14,997	$ 4,893