Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - 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
Balance at beginning of period	$ 8,921	$ 8,214	$ 4,325
Changes in tax positions of prior years	(69)	0	480
Additions based on tax positions related to the current year	12,826	1,720	4,288
Closure of tax years	(1,216)	(1,013)	(879)
Balance at end of period	$ 20,462	$ 8,921	$ 8,214