Income Taxes (Schedule of Unrecognized Tax Positions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	$ 2,577	$ 2,592
Increase related to prior year tax positions	65
Decrease related to statute of limitations expiring	(1)	(15)
Balance at December 31	$ 2,641	$ 2,577