Commitments And Contingencies (Narrative) (Details)				1 Months Ended		6 Months Ended		12 Months Ended
	Jul. 07, 2020 plaintiff	Jan. 07, 2019 plaintiff	Feb. 28, 2018 plaintiff	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($) item	Jun. 30, 2020 USD ($) store	Jun. 30, 2019 USD ($)	Dec. 31, 2015
Commitments And Contingencies [Line Items]
Number of opt-in plaintiffs | plaintiff			660
Average annual default rates						9.50%		6.90%
Percent of total delinquencies subject to letters						10.10%
Payments to subsidies						$ 4,600,000	$ 4,800,000
Other liabilities				$ 120,362,000		92,729,000
Notes And Loans Payable				188,731,000	$ 178,516,000	223,428,000	178,516,000
Current borrowing capacity						186,065,000
Operating lease liabilities				123,430,000		119,004,000
Subsidies To Certain HOAs [Member]
Commitments And Contingencies [Line Items]
Other liabilities				0		7,000,000.0
Bluegreen [Member]
Commitments And Contingencies [Line Items]
Payments for legal settlements					$ 20,000,000.0
Notes And Loans Payable				146,160,000		$ 181,908,000
Number of periodic payments | item					5
Periodic payment, principal					$ 4,000,000.0
Executive Officer [Member] | Bluegreen [Member]
Commitments And Contingencies [Line Items]
Amount of future payment				2,500,000
Former Chief Executive Officer [Member] | Bluegreen [Member]
Commitments And Contingencies [Line Items]
Amount of future payment				2,400,000
Period of future payments of former executive						18 months
Payment to former CEO				$ 3,500,000
Executive And Former CEO [Member] | Bluegreen [Member]
Commitments And Contingencies [Line Items]
Amount of future payment						$ 400,000
Sunrise and Bayview Partners, LLC [Member] | BCC [Member]
Commitments And Contingencies [Line Items]
Percent guaranteed on outstanding balance of loan						50.00%
Issuance of note payable to purchase property and equipment						$ 5,000,000.0
Bass Pro [Member]
Commitments And Contingencies [Line Items]
Number of stores vacation packages are sold | store						49
Payments for legal settlements							$ 39,100,000
Bass Pro [Member] | Bluegreen [Member]
Commitments And Contingencies [Line Items]
Percent of volume sales from agreement						10.00%	10.00%
Litigation settlement					$ 39,100,000	$ 14,300,000
Cabela [Member]
Commitments And Contingencies [Line Items]
Number of stores vacation packages are sold | store						15
Bass Pro And Cabela [Member]
Commitments And Contingencies [Line Items]
Number of stores vacation packages are sold | store						89
Robert Barban [Member] | Subsequent Event [Member]
Commitments And Contingencies [Line Items]
Number of opt-in plaintiffs | plaintiff	172
Tennessee Time-share Act [Member]
Commitments And Contingencies [Line Items]
Number of timeshare purchasers | plaintiff		34