Summary of Significant Accounting Policies (Components of Lease Cost, Lease Term, and Discount Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Summary of Significant Accounting Policies [Abstract]
Amortization of right-of-use assets	$ 13,483	$ 1,485
Interest on finance lease liabilities	118	135
Total finance lease cost	13,601	1,620
Operating lease cost	260,690	260,619
Variable lease cost	49,176	42,654
Total lease cost	$ 323,467	$ 304,893
Weighted Average Remaining Lease Term Operating leases	14 years 4 months 24 days	16 years 1 month 6 days
Weighted Average Remaining Lease Term Finance leases	68 years 10 months 24 days	2 years 8 months 12 days
Weighted Average Discount Rate: Operating leases	5.60%	5.90%
Weighted Average Discount Rate: Finance leases	2.90%	3.40%
Cash paid for amounts included in measurement of lease liabilities: Cash flows from operating leases	$ 242,567	$ 237,747
Cash paid for amounts included in measurement of lease liabilities: Cash flows from finance leases	$ 1,734	$ 1,485