Leases (Narrative) (Details) ft² in Thousands, $ in Thousands		12 Months Ended
	Aug. 28, 2023 USD ($)	Dec. 31, 2023 USD ($) ft² renewal_option	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Leases [Line Items]
Right-of-use assets		$ 680,044	$ 684,380
Lease liabilities		732,859	735,969
Derecognized ROU asset	$ 7,081	7,081	0	$ 0
Derecognized lease liability	$ 20,692	$ 20,692	$ 0	$ 0
PENN 1
Leases [Line Items]
Number of renewal options | renewal_option		3
Lease term		25 years
Farley Building
Leases [Line Items]
Ownership interest		95.00%
Lease term		99 years
Square footage of real estate property | ft²		847
PILOT payments		$ 527,379
Office Building | Farley Building
Leases [Line Items]
Square footage of real estate property | ft²		730
Retail | Farley Building
Leases [Line Items]
Square footage of real estate property | ft²		117