Debt - Additional Information (Details) ft² in Millions		9 Months Ended
	Jul. 29, 2021 USD ($) ft²	Sep. 30, 2021 USD ($)
Debt Instrument [Line Items]
Repayment of loan	$ 850,000,000	$ 850,000,000
1301 Avenue of the Americas [Member]
Debt Instrument [Line Items]
Debt Refinanced	$ 860,000,000
Initial weighted average interest rate	2.95%
Area of office building | ft²	1.7
Interest-only loan, Term	5 years
1301 Avenue of the Americas [Member] | Fixed Rate Tranche [Member]
Debt Instrument [Line Items]
Debt Refinanced	$ 500,000,000
1301 Avenue of the Americas [Member] | Variable Rate Tranche [Member]
Debt Instrument [Line Items]
Debt Refinanced	$ 360,000,000