Investments in and Advances to Unconsolidated Affiliates - Fund Investments - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Long-term debt, gross	[1],[2]	$ 1,707,658		$ 1,707,658		$ 1,881,087
Proceeds from the disposition of properties and other investments, net				58,670	$ 0
Proceeds from dividends received		$ 200	$ 200	$ 300	$ 28,700
Shops at Grand - Queens, NY
Schedule of Equity Method Investments [Line Items]
Percentage of voting interests acquired		5.00%		5.00%
Investment Owned, Fair Value		$ 2,400		$ 2,400
Fund IV
Schedule of Equity Method Investments [Line Items]
Venture Capital Gain (Loss), Net				4,100
Share of the gain based on ownership		1,000		1,000
Gotham Plaza
Schedule of Equity Method Investments [Line Items]
Long-term debt, gross		17,100		$ 17,100
Maturity date				Sep. 02, 2024
Paramus Plaza
Schedule of Equity Method Investments [Line Items]
Proceeds from the disposition of properties and other investments, net				$ 36,800
Repayment related to mortgage		$ 27,900		$ 27,900

[1] Includes $151.2 million and $151.4 million, respectively, of variable-rate debt that is subject to interest cap agreements as of the periods presented. The effective fixed rates ranged from 4.50% to 6.00%.

[2] Includes $1,188.3 million and $1,249.8 million, respectively, of variable-rate debt that has been fixed with interest rate swap agreements as of the periods presented. The effective fixed rates ranged from 1.14% to 4.69%.