v3.20.2
Investments In And Advances To Unconsolidated Real Estate Joint Ventures (Investments In Unconsolidated Real Estate Joint Ventures) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures $ 60,648 $ 57,330 $ 53,739
Altis at Grand Central Capital, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 2,472 2,653  
Altis Promenade Capital, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,977 2,126  
Altis at Bonterra - Hialeah, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures   618  
Altis Ludlam - Miami Investor, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 9,378 1,081  
Altis Suncoast Manager, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,102 753  
Altis Pembroke Gardens, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 311 1,277  
Altis Fairways, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,657 1,880  
Altis Wiregrass, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 163 1,792  
Altis LH-Miami Manager, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 837 811  
Altis Vineland Pointe [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 5,355 4,712  
Altis Miramar East/West [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 2,794 2,631  
The Altman Companies, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 15,589 14,745  
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  
Sunrise and Bayview Partners, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 1,450 1,562  
PGA Design Center Holdings, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 3 996  
CCB Miramar, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 7,168 5,999  
BBX/Label Chapel Trail Development, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 153 1,126  
L03/212 Partners, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 2,179 2,087  
PGA Lender, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 2 2,111  
Sky Cove, LLC [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures 4,146 4,178  
All Other Investments In Real Estate Joint Ventures [Member]      
Schedule of Equity Method Investments [Line Items]      
Investments in and advances to unconsolidated real estate joint ventures $ 162 $ 442