Investments in Partially Owned Entities (650 Madison Avenue) (Details) - 650 Madison Avenue - Subsequent Event ft² in Thousands, $ in Millions	Oct. 31, 2025 USD ($) ft²
Mortgages Payable
Schedule Of Equity Method Investments
Debt amount | $	$ 800
JV
Schedule Of Equity Method Investments
Equity method ownership percentage (as percent)	20.10%
JV | 650 Madison Avenue
Schedule Of Equity Method Investments
Square footage of real estate property (in sqft) | ft²	601