Debt (Summary of Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 28, 2022	Dec. 31, 2021
Debt Instrument
Deferred financing costs, net and other	$ (67,077)		$ (58,268)
Total, net	5,831,769		6,053,343
Long term debt	$ 2,559,169		2,562,604
770 Broadway | Matures in July 2027
Debt Instrument
Debt instrument, amount		$ 700,000
Mortgages
Debt Instrument
Interest rate, end of period (percent)	3.91%
Long-term debt, gross	$ 5,883,015		6,099,215
Deferred financing costs, net and other	(51,246)		(45,872)
Total, net	$ 5,831,769		6,053,343
Mortgages | Fixed Rate
Debt Instrument
Interest rate, end of period (percent)	3.62%
Long-term debt, gross	$ 3,570,000		2,190,000
Mortgages | Variable Rate
Debt Instrument
Interest rate, end of period (percent)	4.35%
Long-term debt, gross	$ 2,313,015		3,909,215
Senior Unsecured Notes
Debt Instrument
Interest rate, end of period (percent)	3.02%
Long-term debt, gross	$ 1,200,000		1,200,000
Deferred financing costs, net and other	(8,678)		(10,208)
Long term debt	$ 1,191,322		1,189,792
Unsecured term loan
Debt Instrument
Interest rate, end of period (percent)	4.05%
Long-term debt, gross	$ 800,000		800,000
Deferred financing costs, net and other	(7,153)		(2,188)
Long term debt	$ 792,847		797,812
Unsecured Revolving Credit Facilities
Debt Instrument
Interest rate, end of period (percent)	3.88%
Long term debt	$ 575,000		$ 575,000