Summary of Significant Accounting Policies (Components of Lease Cost, Lease Term, and Discount Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Summary of Significant Accounting Policies [Abstract]
Amortization of acquired and other right-of-use assets	$ 42,312	$ 24,733
Interest on finance lease liabilities	211	171
Total finance lease cost	42,523	24,904
Operating lease cost	290,169	275,903
Variable lease cost	63,625	61,128
Total lease cost	$ 396,317	$ 361,935
Weighted Average Remaining Lease Term Operating leases	12 years 10 months 24 days	13 years 8 months 12 days
Weighted Average Remaining Lease Term Finance leases	49 years 3 months 18 days	51 years 3 months 18 days
Weighted Average Discount Rate: Operating leases	6.40%	5.70%
Weighted Average Discount Rate: Finance leases	4.40%	3.50%
Cash paid for amounts included in measurement of lease liabilities: Cash flows from operating leases	$ 279,194	$ 259,788
Cash paid for amounts included in measurement of lease liabilities: Cash flows from finance leases	$ 2,522	$ 2,258