Investments in and Advances to Unconsolidated Affiliates - Core Portfolio - Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Investments carried at fair value or cost	$ 4,342	$ 4,315
Core Portfolio | Fifth Wall Ventures Retail Fund, L.P.
Schedule of Equity Method Investments [Line Items]
Investments carried at fair value or cost		200
Core Portfolio | 1238 Wisconsin Avenue
Schedule of Equity Method Investments [Line Items]
Construction Commitment	$ 12,800	$ 7,500