Income Taxes (Details 6) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Unrecognized tax benefits that would impact tax rate	$ 8,671	$ 9,156	$ 8,919
Increase (decrease) in unrecognized tax benefits due to:
Balance at January 1	9,156	8,919	11,594
Tax positions taken during prior periods	0	550	11
Tax positions taken during the current period	637	649	1,114
Settlements	(70)	0	(1,351)
Lapse of the applicable statute of limitations	(1,218)	(900)	(2,344)
Foreign currency translation	166	62	105
Balance at December 31	8,671	9,156	8,919
Interest and penalties	(93)	(196)	(206)
The liability for unrecognized tax benefits included accrued interest	$ 3,582	$ 3,675	$ 3,906