Investments in Partially Owned Entities (512 West 22nd Street) (Details) ft² in Thousands, $ in Thousands	Jun. 28, 2023 USD ($) ft²	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items]
Loans payable		$ 5,688,020	$ 5,829,018
512 West 22nd Street | Interest Rate Cap
Schedule of Equity Method Investments [Line Items]
Cap term	2 years
Cap strike rate	4.50%
512 West 22nd Street | Maturing In June 2025
Schedule of Equity Method Investments [Line Items]
Extension term	1 year
512 West 22nd Street | Office Building | Maturing In June 2025
Schedule of Equity Method Investments [Line Items]
Loans payable	$ 129,250
Square footage of real estate property | ft²	173
512 West 22nd Street | Office Building | Maturing In June 2025 | Year One SOFR
Schedule of Equity Method Investments [Line Items]
Basis spread on variable rate	2.00%
512 West 22nd Street | Office Building | Maturing In June 2025 | Year Two SOFR
Schedule of Equity Method Investments [Line Items]
Basis spread on variable rate	2.35%
512 West 22nd Street | Office Building | Maturing In June 2023
Schedule of Equity Method Investments [Line Items]
Loans payable	$ 137,124
512 West 22nd Street | Office Building | Maturing In June 2023 | LIBOR
Schedule of Equity Method Investments [Line Items]
Basis spread on variable rate	1.85%
512 West 22nd Street | Joint Venture
Schedule of Equity Method Investments [Line Items]
Ownership interest	55.00%