Income Taxes (Expense (Benefit) for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 245	$ 106	$ 453
State and local	38	(18)	(130)
Foreign	8,442	6,268	6,378
Current Income Tax Expense (Benefit)	8,725	6,356	6,701
Deferred:
Federal	(2,992)	1,718	(2,638)
State and local	(588)	(422)	(123)
Foreign	324	(143)	205
Deferred income tax expense (benefit)	(3,256)	1,153	(2,556)
Total income tax expense	$ 5,469	$ 7,509	$ 4,145