Commitments and Contingencies (Schedule of Security Incident Expense and Probable Insurance Recoveries) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Security Incident, gross expense	$ 9,005	$ 12,814
Security Incident, offsetting probable insurance recoveries	(1,804)	(12,813)
Security Incident, net expense	7,201	$ 1
Security Incident, cumulative gross expense	59,396		$ 50,391
Security Incident, cumulative offsetting probable insurance recoveries	(49,913)		(48,109)
Security Incident, cumulative net expense	9,483		2,282
Security Incident, cumulative offsetting insurance recoveries paid	$ (37,277)		$ (29,968)