Debt (Notes Payable And Other Borrowings) (Details) - USD ($) $ in Thousands		Dec. 31, 2019		Sep. 30, 2019	Dec. 31, 2018		Apr. 30, 2018	Oct. 31, 2017
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 188,731			$ 200,887
Unamortized debt issuance costs		(8,488)		$ (400)
NBA Eilan Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 27,500
Banc of America Revolving Line of Credit [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 2,000
Interest Rate	[1]	3.24%
Other Notes [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 58
Interest Rate	[1]	15.00%
Other Notes Payable [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 42,571			67,496
Unamortized debt issuance costs		(824)			(666)
Other Notes Payable [Member] | Community Development District Obligations [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		29,287			24,583
Carrying Amount of Pledged Assets		49,352			35,157
Other Notes Payable [Member] | TD Bank Term Loan And Line Of Credit [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings	[1]	$ 6,826			$ 8,117
Interest Rate	[1]	5.00%			5.47%
Other Notes Payable [Member] | Iberia $50.0 Million Revolving Line Of Credit [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings	[2]				$ 30,000
Interest Rate	[1],[2]				5.35%
Carrying Amount of Pledged Assets	[2]				$ (2)
Other Notes Payable [Member] | Banc Of America Leasing & Capital Equipment Note [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings	[3]	$ 355			$ 555
Interest Rate	[1],[3]	4.75%			4.75%
Carrying Amount of Pledged Assets	[3]				$ (3)
Other Notes Payable [Member] | Unsecured Note [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings	[4]	$ 3,400			$ 3,400
Interest Rate		6.00%	[1],[4]		6.00%	[1],[4]		6.00%
Other Notes Payable [Member] | Other Notes [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings	[4]	$ 1,469			$ 1,507
Interest Rate	[1],[4]	5.25%
Carrying Amount of Pledged Assets	[4]	$ 1,892
Bluegreen [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		146,160			133,391
Unamortized debt issuance costs		(1,410)			(1,671)
Bluegreen [Member] | 2013 Notes Payable [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings					$ 28,125
Interest Rate	[1]				5.50%
Carrying Amount of Pledged Assets					$ 22,878
Bluegreen [Member] | Fifth Third Bank Note [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings					$ 3,834
Interest Rate	[1]				5.34%
Carrying Amount of Pledged Assets					$ 7,892
Bluegreen [Member] | NBA Eilan Loan [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 18,820			$ 25,603
Interest Rate	[1]	4.95%			5.60%
Carrying Amount of Pledged Assets		$ 31,259			$ 35,615
Bluegreen [Member] | Fifth Third Syndicated LOC [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 30,000			$ 55,000
Interest Rate	[1]	3.85%			5.27%
Carrying Amount of Pledged Assets		$ 49,062			$ 92,415
Bluegreen [Member] | Fifth Third Syndicated Term Loan [Member]
Debt Instrument [Line Items]
Notes payable and other borrowings		$ 98,750			$ 22,500
Interest Rate	[1]	3.71%			5.37%
Carrying Amount of Pledged Assets		$ 161,497			$ 27,724
Woodbridge [Member]
Debt Instrument [Line Items]
Debt instrument, collateral amount		$ 100,000
Minimum [Member] | Other Notes Payable [Member] | Community Development District Obligations [Member]
Debt Instrument [Line Items]
Interest Rate		4.25%			4.25%
Maximum [Member] | Other Notes Payable [Member] | Community Development District Obligations [Member]
Debt Instrument [Line Items]
Interest Rate		6.00%			6.00%

[1] The collateral is a blanket lien on Renin's assets.

[2] The collateral is membership interests in Woodbridge having a value of not less than $100.0 million.

[3] The collateral is a security interest in the equipment financed by the underlying note. Additionally, IT'SUGAR is guarantor on the note.

[4] BBX Capital is guarantor on the note.