Property Acquisitions and Consolidations - Schedule of Property Consolidations (Details) $ in Thousands	1 Months Ended
	Oct. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) ft²	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2025 USD ($) ft²	Apr. 30, 2025
Business Combination [Line Items]
Investment fair value adjustment				$ (17,000)
Investments in unconsolidated joint ventures		$ 2,690,138			$ 2,624,755
800 Third Avenue Joint Venture
Business Combination [Line Items]
Investment fair value adjustment	$ (20,200)
Ownership interest	39.50%
100 Park Avenue
Business Combination [Line Items]
Investment fair value adjustment		$ 117,800
Ownership interest						49.90%
10 East 53rd Street
Business Combination [Line Items]
Investment fair value adjustment			$ 55,700
Ownership interest			45.00%
Investments in unconsolidated joint ventures			$ 7,200
800 Third Avenue
Business Combination [Line Items]
Approximate Square Feet | ft²					526,000
Gross asset valuation					$ 205,000
315 West 33rd Street
Business Combination [Line Items]
Approximate Square Feet | ft²					435,349
Gross asset valuation					$ 384,500
100 Park Avenue
Business Combination [Line Items]
Approximate Square Feet | ft²		834,000
Gross asset valuation		$ 441,000
10 East 53rd Street
Business Combination [Line Items]
Approximate Square Feet | ft²		354,300
Gross asset valuation		$ 236,000