Investments In Unconsolidated Real Estate Joint Ventures (Narrative) (Details) $ in Thousands	1 Months Ended			3 Months Ended								12 Months Ended
	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($)	Nov. 30, 2018 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) property	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
BBX Capital maximum expose to loss				$ 59,800								$ 59,800
Proceeds from Sale of Real Estate												35,200
Equity in earning of unconsolidated real estate joint ventures				622	$ 28,534	$ 8,759	$ (17)	$ 13,029	$ 373	$ (488)	$ 1,280	37,898	$ 14,194	$ 12,541
Investments in unconsolidated real estate joint ventures				$ 57,330				64,738				$ 57,330	64,738
The Altman Companies, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Consolidated method ownership percentage			50.00%	50.00%								50.00%
Number Of Multifamily Apartment Developments | property												7
The Altman Companies, LLC [Member] | Scenario, Forecast [Member]
Schedule of Equity Method Investments [Line Items]
Consolidated method ownership percentage		40.00%
The Altman Companies, LLC [Member] | Optional Forecast [Member]
Schedule of Equity Method Investments [Line Items]
Consolidated method ownership percentage		10.00%
The Altman Companies, LLC [Member] | Previously Invested As Non-managing Member [Member]
Schedule of Equity Method Investments [Line Items]
Cash consideration												$ 8,800
Number Of Multifamily Apartment Developments | property												4
Altman-Glenewinkel Construction [Member] | Optional Forecast [Member]
Schedule of Equity Method Investments [Line Items]
Consolidated method ownership percentage		40.00%
PGA Design Center Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				$ 996				691				$ 996	691
Altis Ludlam - Miami Investor, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				1,081				675				1,081	675
The Addison on Millenia Investment, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earning of unconsolidated real estate joint ventures													9,283	(146)
The Altman Companies, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Cash consideration			$ 14,600
Investments in unconsolidated real estate joint ventures, transaction costs			$ 2,300
Investments in unconsolidated real estate joint ventures				14,745				14,893				14,745	14,893
The Altman Companies, LLC [Member] | Scenario, Forecast [Member]
Schedule of Equity Method Investments [Line Items]
Cash consideration	$ 2,400	$ 9,400
ABBX Guaranty, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				3,750				2,500				3,750	2,500
Altis at Bonterra - Hialeah, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earning of unconsolidated real estate joint ventures												29,221	544	(766)
Investments in unconsolidated real estate joint ventures				618				21,602				618	21,602
Altis At Lakeline - Austin Investors LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earning of unconsolidated real estate joint ventures												5,029	(312)	$ (862)
Investments in unconsolidated real estate joint ventures				242				$ 4,531				242	$ 4,531
L03/212 Partners, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				2,087								2,087
PGA Lender, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				2,111								2,111
Sky Cove, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				4,178								4,178
Altis LH-Miami Manager, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				811								811
Altis Vineland Pointe [Member]
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate joint ventures				$ 4,712								$ 4,712
The Altman Companies, LLC [Member] | Altman Development Company and Altman Management Company [Member]
Schedule of Equity Method Investments [Line Items]
Consolidated method ownership percentage			100.00%
The Altman Companies, LLC [Member] | Altman-Glenewinkel Construction [Member]
Schedule of Equity Method Investments [Line Items]
Consolidated method ownership percentage			60.00%