Debt - Summary of Outstanding Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Sep. 27, 2023	Sep. 26, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Notes and mortgages payable, Interest Rate	3.88%
Credit Facility	$ 0			$ 0
Notes and mortgages payable	3,817,050,000			3,858,000,000
Less: unamortized deferred financing costs	(13,566,000)			(17,682,000)
Total notes and mortgages payable, net	$ 3,803,484,000			3,840,318,000
Credit Facility With Variable Rate [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity date of debt	2026-03
Credit Facility With Variable Rate [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Fixed/Variable Rate	1.35%
1633 Broadway [Member] | Mortgages and Notes Payable with Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity date of debt	2029-12
Notes and mortgages payable, Interest Rate	2.99%
Notes and mortgages payable	$ 1,250,000,000			1,250,000,000
One Market Plaza [Member]
Debt Instrument [Line Items]
Notes and mortgages payable, Interest Rate	4.03%
Notes and mortgages payable	$ 975,000,000
One Market Plaza [Member] | Mortgages and Notes Payable with Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity date of debt	2024-02
Notes and mortgages payable, Interest Rate	4.03%
Notes and mortgages payable	$ 975,000,000			975,000,000
1301 Avenue of the Americas [Member]
Debt Instrument [Line Items]
Notes and mortgages payable, Interest Rate	4.87%
Notes and mortgages payable	$ 860,000,000			860,000,000
1301 Avenue of the Americas [Member] | Mortgages and Notes Payable with Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity date of debt	2026-08
Notes and mortgages payable, Interest Rate	2.49%
Notes and mortgages payable	$ 500,000,000			500,000,000
1301 Avenue of the Americas [Member] | Mortgages and Notes Payable with Variable Rate [Member]
Debt Instrument [Line Items]
Maturity date of debt	2026-08
Notes and mortgages payable, Interest Rate	8.18%
Notes and mortgages payable	$ 360,000,000			360,000,000
1301 Avenue of the Americas [Member] | Mortgages and Notes Payable with Variable Rate [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument [Line Items]
Fixed/Variable Rate	3.68%
31 West 52nd Street [Member] | Mortgages and Notes Payable with Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity date of debt	2026-06
Notes and mortgages payable, Interest Rate	3.80%
Notes and mortgages payable	$ 500,000,000			500,000,000
300 Mission Street [Member]
Debt Instrument [Line Items]
Notes and mortgages payable, Interest Rate		4.50%	3.65%
300 Mission Street [Member] | Mortgages and Notes Payable with Fixed Rate [Member]
Debt Instrument [Line Items]
Maturity date of debt	2026-10
Notes and mortgages payable, Interest Rate	4.50%
Notes and mortgages payable	$ 232,050,000			$ 273,000,000