Income Taxes (Details 5) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at the beginning of the period	$ 2,896	$ 3,129	$ 2,422
Additions for tax positions related to the current year (includes currency translation adjustment)	316	596	414
Additions for tax positions related to prior years (includes currency translation adjustment)	500		681
Statutes of limitations expirations	(585)	(58)	(326)
Other reductions for tax positions related to prior years		771
Settlements			(62)
Balance at the end of the period	3,127	2,896	3,129
Reconciliation of Deferred Income Tax Benefits [Roll Forward]
Balance at beginning of period	(22)	(22)	(26)
Additions for tax positions related to the current year (includes currency translation adjustment)	(1)	(2)	(7)
Additions for tax positions related to prior years (includes currency translation adjustment)	0
Other reductions for tax positions related to prior years		0
Statutes of limitation expirations	1	2	2
Settlements			9
Balance at the end of the period	(22)	(22)	(22)
Reconciliation of Net Unrecognized Tax Benefits [Roll Forward]
Balance at the beginning of the period	2,874	3,107	2,396
Additions for tax positions related to the current year (includes currency translation adjustment)	315	594	407
Additions for tax positions related to prior years (includes currency translation adjustment)	500		681
Other reductions for tax positions related to prior years		(771)
Statutes of limitation expirations	(584)	(56)	(324)
Settlements			(53)
Balance at the end of the period	$ 3,105	$ 2,874	$ 3,107