Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 782	$ 2,446	$ 6,503
State	437	(136)	1,913
Non-U.S.	1,225	3,828	6,574
Current income tax provision	2,444	6,138	14,990
Deferred:
Federal	7,205	2,901	(5,474)
State	2,018	759	(1,161)
Non-U.S.	11,000	(4,156)	(2,313)
Deferred income tax provision (benefit)	20,223	(496)	(8,948)
Total	$ 22,667	$ 5,642	$ 6,042