Income Taxes (Schedule of Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
U.S. Federal	$ 6,198	$ 12,913	$ 4,761
State	644	3,587	791
Foreign	5,000	5,178	(386)
Current, Total	11,842	21,678	5,166
Deferred:
U.S. Federal	4,607	(3,052)	(574)
State	595	(6,408)	104
Foreign	(927)	292	(916)
Deferred, Total	4,275	(9,168)	(1,386)
Provision for income taxes	$ 16,117	$ 12,510	$ 3,780