v3.26.1
Investments in and Advances to Unconsolidated Affiliates - Schedule of Investments (Parenthetical) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2023
Dec. 31, 2025
Dec. 31, 2024
Sep. 25, 2024
Schedule of Equity Method Investments [Line Items]                
Note receivable from related party $ 154,501   $ 154,501     $ 154,892    
Allowance for credit losses 2,180   $ 2,180     1,638 $ 2,004  
Basis spread on variable rate     1.00%          
Interest income 6,557 $ 6,358 $ 11,345 $ 12,454        
Equity in (losses) earnings of unconsolidated affiliates 13,929 (4,191) 12,421 (5,904)        
Related Party [Member]                
Schedule of Equity Method Investments [Line Items]                
Note receivable from related party 14,400   14,400     14,300    
REIT Portfolio                
Schedule of Equity Method Investments [Line Items]                
Equity method investments 85,942   $ 85,942     84,561    
1238 Wisconsin Avenue                
Schedule of Equity Method Investments [Line Items]                
Debt Instrument, Description of Variable Rate Basis     The loan is secured by the venture members’ equity interest in the entity that owns the 1238 Wisconsin development property, bears interest at Prime + 1.0% (subject to a 4.5% floor), and matures on December 28, 2027.          
1238 Wisconsin Avenue | REIT Portfolio                
Schedule of Equity Method Investments [Line Items]                
Construction commitment 12,800   $ 12,800          
Note receivable from related party 12,800   12,800     12,800    
Allowance for credit losses 100   100     100    
Interest income $ 100 $ 100 $ 100 $ 100        
Equity method investment, ownership percentage [1],[2] 80.00%   80.00%          
Equity method investments [1],[2] $ 17,258   $ 17,258     18,025    
840 N. Michigan Avenue                
Schedule of Equity Method Investments [Line Items]                
Note receivable from related party $ 2,100   $ 2,100     $ 1,800    
Note receivable maturity date     Dec. 31, 2026          
Equity in (losses) earnings of unconsolidated affiliates         $ 400      
Frederick Crossing                
Schedule of Equity Method Investments [Line Items]                
Equity method investment, ownership percentage               90.00%
Fund IV                
Schedule of Equity Method Investments [Line Items]                
Equity method investment, ownership percentage 23.12%   23.12%          
Fund V                
Schedule of Equity Method Investments [Line Items]                
Equity method investment, ownership percentage 20.10%   20.10%         90.00%
Shops at Skyview                
Schedule of Equity Method Investments [Line Items]                
Interest income $ 600   $ 1,200          
Equity method investment, ownership percentage 7.50%   7.50%          
Shops at Skyview | Preferred Stock [Member]                
Schedule of Equity Method Investments [Line Items]                
Equity method investments $ 41,700   $ 41,700          
Shops at Skyview | Preferred Stock [Member] | Related Party [Member]                
Schedule of Equity Method Investments [Line Items]                
Equity method investments 400   400          
Power Center                
Schedule of Equity Method Investments [Line Items]                
Interest income $ 300   $ 500          
Equity method investment, ownership percentage 6.00%   6.00%          
Power Center | Preferred Stock [Member]                
Schedule of Equity Method Investments [Line Items]                
Equity method investments $ 27,500   $ 27,500          
Power Center | Preferred Stock [Member] | Related Party [Member]                
Schedule of Equity Method Investments [Line Items]                
Unamortized discount 2,300   2,300          
Equity method investments 200   200          
Fifth Wall                
Schedule of Equity Method Investments [Line Items]                
Impairment charge $ 100   $ 600          
[1] Includes the amounts advanced against a $12.8 million construction commitment from the Company to the venture that holds its investment in 1238 Wisconsin. As of June 30, 2026 and December 31, 2025 the related party note receivable had a principal balance of $12.8 million, net of a $0.1 million allowance at each period. The loan is secured by the venture members’ equity interest in the entity that owns the 1238 Wisconsin development property, bears interest at Prime + 1.0% (subject to a 4.5% floor), and matures on December 28, 2027. The Company recognized interest income of $0.1 million for each of the three and six month periods ended June 30, 2026 and 2025, related to this note receivable, which is recorded in Interest income in the Company’s Condensed Consolidated Statements of Operations.
[2] Represents a VIE for which the Company is not the primary beneficiary (Note 15).