Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Current:
U.S. Federal and State	$ 1,216	$ 2,190
Foreign	931	435
Total current expense	2,147	2,625
Deferred:
U.S. Federal and State	(1,405)	(871)
Foreign	(73)	(35)
Total deferred (benefit)	(1,478)	(906)
Total expense	$ 669	$ 1,719