Debt (Summary of Debt) (Details) - USD ($) $ in Thousands	Jul. 22, 2022	Jun. 30, 2022	Jun. 28, 2022	Dec. 31, 2021
Debt Instrument
Deferred financing costs, net and other		$ (70,684)		$ (58,268)
Total, net		5,834,275		6,053,343
Long term debt		$ 2,558,456		2,562,604
770 Broadway | Matures in July 2027
Debt Instrument
Interest rate, end of period (percent)		3.75%
Debt instrument, amount			$ 700,000
Debt instrument, face amount, swapped to fixed interest rate			$ 350,000
770 Broadway | Matures in July 2027 | Subsequent Event
Debt Instrument
Interest rate, end of period (percent)	4.98%
Debt instrument, face amount, swapped to fixed interest rate	$ 350,000
Variable Rate | 770 Broadway | Matures in July 2027
Debt Instrument
Debt instrument, amount		$ 350,000
Mortgages
Debt Instrument
Interest rate, end of period (percent)		3.02%
Long-term debt, gross		$ 5,888,415		6,099,215
Deferred financing costs, net and other		(54,140)		(45,872)
Total, net		$ 5,834,275		6,053,343
Mortgages | Fixed Rate
Debt Instrument
Interest rate, end of period (percent)		3.10%
Long-term debt, gross		$ 2,540,000		2,190,000
Mortgages | Variable Rate
Debt Instrument
Interest rate, end of period (percent)		2.96%
Long-term debt, gross		$ 3,348,415		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		(9,188)		(10,208)
Long term debt		$ 1,190,812		1,189,792
Unsecured term loan
Debt Instrument
Interest rate, end of period (percent)		3.98%
Long-term debt, gross		$ 800,000		800,000
Deferred financing costs, net and other		(7,356)		(2,188)
Long term debt		$ 792,644		797,812
Unsecured Revolving Credit Facilities
Debt Instrument
Interest rate, end of period (percent)		2.68%
Long term debt		$ 575,000		$ 575,000