Investments in and Advances to Unconsolidated Affiliates - Fund Investments - Additional Information (Details) - USD ($) $ in Thousands, shares in Millions			12 Months Ended
		Jan. 20, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Schedule of Equity Method Investments [Line Items]
Long-term debt, gross	[1],[2]		$ 1,881,087	$ 1,805,414
Investment Owned, Cost	[3]		4,554	4,315
Equity in (losses) earnings of unconsolidated affiliates			(7,677)	(32,907)	$ 5,330
Proceeds from dividends received			29,100	1,800
Proceeds from the disposition of properties , net			$ 0	224,558	$ 63,901
Mohawk Commons Venture [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of voting interests acquired			90.00%
Fund IV
Schedule of Equity Method Investments [Line Items]
Long-term debt, gross			$ 21,900
Loans payable			24,100
Georgetown Portfolio
Schedule of Equity Method Investments [Line Items]
Long-term debt, gross			160,000
Loans payable			152,000
Debt instrument convertible carrying amount of the equity component			1,400
840 N. Michigan Avenue
Schedule of Equity Method Investments [Line Items]
Investment owned balance principal amount			18,500
Investment Owned Balance Principal Paydown			17,500
Proceeds from sale and maturity of other investments			55,000
Additional contingent payments			17,500
Equity in (losses) earnings of unconsolidated affiliates			$ 400
Percentage Of Unpaid Outstanding Principal			50.00%
Equity method investment, ownership percentage			3.42%
Loans payable			$ 1,400
Impairment of Investment				50,800
Mortgage Loan			$ 73,500
840 N. Michigan Avenue | Maximum
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage			91.85%
Debt instrument interest rate increase decrease			6.50%
840 N. Michigan Avenue | Minimum
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage			88.43%
Debt instrument interest rate increase decrease			4.40%
1238 Wisconsin Avenue
Schedule of Equity Method Investments [Line Items]
Term loan			$ 5,300	7,500
Construction Loan Commitment			12,800	12,800
Long-term debt, gross			$ 12,800	7,500
La Frontera Village
Schedule of Equity Method Investments [Line Items]
Purchase Price				81,400
Equity method investment, ownership percentage			90.00%
Fund V
Schedule of Equity Method Investments [Line Items]
Purchase Price			$ 20,200	15,900
Long-term debt, gross			33,500
Mohawk Commons
Schedule of Equity Method Investments [Line Items]
Purchase Price			$ 62,100
Equity method investment, ownership percentage			90.00%
Mortgage Loan			$ 39,700
Fund V Acquisition One
Schedule of Equity Method Investments [Line Items]
Purchase Price				26,500
Mortgage Loan			36,000	57,000
Mortgage Loan Funded at Closing			$ 31,800	55,500
Albertsons
Schedule of Equity Method Investments [Line Items]
Proceeds from dividends received		$ 28,500
Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax, Total		$ 11,400
Share distributed to investor		4.1
Investment owned, shares		1.6
Fund V Acquisition Two
Schedule of Equity Method Investments [Line Items]
Purchase Price				15,300
Wood Ridge Plaza
Schedule of Equity Method Investments [Line Items]
Purchase Price				49,300
Equity method investment, ownership percentage			90.00%
Mortgage Loan				36,600
Mortgage Loan Funded at Closing				32,300
Self Storage Management
Schedule of Equity Method Investments [Line Items]
Proceeds from the disposition of properties , net				6,000
Gains (Losses) on Sales of Investment Real Estate				1,500
Shoppes at South Hills
Schedule of Equity Method Investments [Line Items]
Purchase Price				47,600
Equity method investment, ownership percentage	[4]		90.00%
Promenade at Manassas
Schedule of Equity Method Investments [Line Items]
Proceeds from the disposition of properties , net				46,000
Repayment related to mortgage				27,300
Venture Capital Gain (Loss), Net				12,800
Share of the gain based on ownership				3,000
Bridge Loan | Fund V
Schedule of Equity Method Investments [Line Items]
Long-term line of credit, noncurrent			$ 31,700	$ 31,700		$ 52,000

[1] Includes $1,249.8 million and $1,264.0 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 4.54%.

[2] Includes $151.4 million and $103.8 million, respectively, of variable-rate debt that is subject to interest cap agreements as of the periods presented. The effective fixed rates ranged from 3.0% to 5.50%.

[3] Includes cost-method investment in Fifth Wall and other investments.

[4] Includes a $31.7 million bridge loan at December 31, 2022, from the Company to the venture that holds the property in its investment in Shoppes at South Hills. During the first quarter of 2023 the bridge loan was repaid, as further described below.