Organization And Basis Of Financial Statement Presentation (Narrative) (Details) $ in Thousands		3 Months Ended
	Jan. 01, 2020 USD ($)	Mar. 31, 2020 USD ($) state store property item shares	Mar. 31, 2019 USD ($)		Dec. 31, 2019 USD ($)	[1]
Business Acquisition [Line Items]
Other assets		$ 106,437			$ 98,134
Revenues		204,086	$ 217,352	[1]
Property and equipment, net		$ 129,536			129,686
Number of class of common stock | item		2
Number of votes per share | item		1
Cash and cash equivalents		$ 397,518	296,317		$ 356,604
LIBOR indexed receivable-backed notes payable and lines of credit		87,700
LIBOR indexed lines of credit and notes payable		225,200
LIBOR indexed junior subordinated debentures		177,100
Impairment losses		$ 22,384
Bluegreen [Member]
Business Acquisition [Line Items]
Consolidated method ownership percentage		93.00%
Altman [Member]
Business Acquisition [Line Items]
Consolidated method ownership percentage		50.00%
Bluegreen [Member]
Business Acquisition [Line Items]
Number of resorts owned | item		45
Number of resorts owners in VOI have right to use | item		23
Approximate number of owners in the resort club | item		221,000
Number of additional other hotels owners can stay through program | item		11,350
Purchase and retirement, shares | shares		1,878,400
Purchase and retirement, value		$ 11,700
Line of credit, outstanding		$ 60,000
IT'SUGAR, LLC [Member]
Business Acquisition [Line Items]
Number of Stores | store		100
Number of states of retail locations | state		25
Impairment losses		$ 24,700
Class A Common Stock [Member]
Business Acquisition [Line Items]
Percent of voting power		22.00%
Percentage of total common equity		83.00%
Class B Common Stock [Member]
Business Acquisition [Line Items]
Percent of voting power		78.00%
Percentage of total common equity		17.00%
Renin [Member]
Business Acquisition [Line Items]
Number of manufacturing and distribution facilities | property		2
Renin [Member] | Reportable Segments [Member]
Business Acquisition [Line Items]
Revenues		$ 17,446	$ 19,343
Cash and cash equivalents		$ 3,876
Accounting Standards Update 2018-15 [Member] | Reclassification Of Capitalized Implementation Costs From Property And Equipment To Prepaid Expenses [Member]
Business Acquisition [Line Items]
Reclassification of capitalized implementation costs from property and equipment to prepaid expenses	$ 1,900

[1] See Note 1 for a summary of adjustments.