Income Taxes (Reconciliation 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 [Roll Forward]
Balance at beginning of year	$ 44,401	$ 22,415	$ 618
Tax positions related to the current year, gross additions	13,179	11,598	1,766
Tax positions related to prior years, gross additions	1,364	12,013	20,649
Tax positions related to prior years, gross reductions	(7,190)	(1,566)	(155)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	0	(59)	(463)
Balance at ending of year	$ 51,754	$ 44,401	$ 22,415