Quarterly report pursuant to Section 13 or 15(d)

Investments In And Advances To Unconsolidated Real Estate Joint Ventures (Investments In Unconsolidated Real Estate Joint Ventures) (Details)

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Investments In And Advances To Unconsolidated Real Estate Joint Ventures (Investments In Unconsolidated Real Estate Joint Ventures) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures $ 53,666 $ 52,966 $ 60,402
Altis at Grand Central Capital, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 731 730  
Altis Ludlam Trail [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 11,144 10,831  
Altis Grand At The Preserve [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures   194  
Altis Little Havana [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,078 1,021  
Altis Lake Willis Phase 1 [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 442 437  
Altis Lake Willis Phase 2 [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 2,715 2,538  
Altis Miramar East/West [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 2,904 2,878  
Altis Grand at Suncoast [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 3,641 2,780  
Altis Blue Lake [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 351 260  
Altis Santa Barbara [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 409    
The Altman Companies [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 16,157 16,716  
ABBX Guaranty, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 3,750 3,750  
Bayview [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,367 1,308  
Marbella [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 872 974  
The Main Las Olas [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,983 1,990  
Sky Cove, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,348 1,686  
Sky Cove South [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 4,608 4,708  
Other [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 166 165  
BBXRE [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures $ 10,600 $ 10,300