Investments in and Advances to Unconsolidated Affiliates - Schedule of Investments (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Other Receivables		$ 1,775	$ 2,060
Other	[1]	4,554	4,315
Investments in and advances to unconsolidated affiliates		197,240	291,156
Distributions in excess of income from, and investments in, unconsolidated affiliates		7,982	10,505
Related Party
Schedule of Equity Method Investments [Line Items]
Other Receivables		$ 396	305
840 N. Michigan
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[2],[3]	91.85%
Distributions in excess of income from, and investments in, unconsolidated affiliates	[2],[3]	$ 0	1,673
KLA/ABS
Schedule of Equity Method Investments [Line Items]
Cost method investment, ownership percentage	[4]	36.70%
Cost Method Investment	[4]	$ 0	85,403
Fund III
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		100.00%
Fund IV Other Portfolio
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 5,221	7,914
650 Bald Hill Road
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 9,486	10,203
Paramus Plaza
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		50.00%
Equity method investments		$ 70	936
Fund IV
Schedule of Equity Method Investments [Line Items]
Equity method investments		$ 14,777	19,053
Fund V Family Center at Riverdale
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[3]	89.42%
Equity method investments	[3]	$ 2,552	4,995
Tri City Plaza
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 6,452	8,422
Frederick County Acquisitions
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 11,345	12,240
Michigan Avenue
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		3.42%
Wood Ridge Plaza
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 10,313	12,751
La Frontera Village
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 17,483	20,803
Shoppes at South Hills
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[5]	90.00%
Equity method investments	[5]	$ 11,707	44,677
Mohawk Commons
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		90.00%
Equity method investments		$ 16,434	775
Fund V
Schedule of Equity Method Investments [Line Items]
Equity method investments		76,286	104,663
Core Portfolio
Schedule of Equity Method Investments [Line Items]
Equity method investments		$ 101,227	77,417
Core Portfolio | 840 N. Michigan
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[3]	91.85%
Equity method investments	[3]	$ 15,761	0
Core Portfolio | Renaissance Portfolio
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		20.00%
Equity method investments		$ 30,745	28,755
Core Portfolio | Gotham Plaza
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		49.00%
Equity method investments		$ 30,772	30,112
Core Portfolio | Georgetown Portfolio
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[6]	50.00%
Equity method investments	[6]	$ 4,230	4,048
Core Portfolio | 1238 Wisconsin Avenue
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[6],[7]	80.00%
Equity method investments	[6],[7]	$ 19,719	14,502
Core Portfolio | Crossroads
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	[2]	49.00%
Distributions in excess of income from, and investments in, unconsolidated affiliates	[2]	$ 7,982	$ 8,832

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

[2] Distributions have exceeded the Company’s investment; however, the Company recognizes a liability balance as it may elect to contribute capital to the entity.

[3] Represents a tenancy-in-common interest.

[4] At December 31, 2022, Mervyns II had an effective indirect ownership of approximately 4.1 million shares (approximately 1% interest) through its Investment in Albertsons Companies Inc. ("Albertsons"), which is accounted for at fair value (Note 8). Mervyns II distributed its shares to its investors upon expiration of the lock-up agreement in January 2023, as further described below.

[5] 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.

[6] Represents a VIE for which the Company is not the primary beneficiary (Note 16).

[7] Includes the amounts advanced against a $12.8 million construction commitment from the Company to the venture that holds an investment in 1238 Wisconsin. As of December 31, 2023 and 2022 the note receivable from a related party had a balance of $12.8 million and $7.5 million, respectively, net of an allowance for CECL of $0.1 million, and $0.1 million, respectively. The loan is collateralized by the venture members' equity interest in the entity that holds the 1238 Wisconsin development property, bears interest at Prime + 1.0% subject to a 4.5% floor, and matures on December 28, 2024. The Company recognized Interest income of $0.2 million for the year ended December 31, 2023, related to this note receivable. The note originated in 2022 and the Company recognized less than $0.1 million of Interest income for the year ended December 31, 2022.