Revenue From Contracts With Customers (Revenue Disaggregation) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Total revenue		$ 144,571	$ 202,650	$ 369,965	$ 560,524
Sales of VOIs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	59,265	66,318	113,447	186,351
Interest income		19,000	20,000	58,300	60,000
Fee-Based Sales Commission Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	22,119	60,478	64,619	161,033
Resort And Club Management Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	24,454	27,165	73,707	78,169
Cost Reimbursements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	15,684	17,883	46,654	48,933
Title Fees And Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	1,281	4,289	5,353	10,092
Other Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	2,096	2,290	4,498	5,754
Revenue From Customers [Member]
Disaggregation of Revenue [Line Items]
Total revenue		124,899	178,423	308,278	490,332
Interest Income [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[3]	$ 19,672	22,081	61,646	65,964
Other Income, Net [Member]
Disaggregation of Revenue [Line Items]
Total revenue			$ 2,146	$ 41	$ 4,228

[1] Included in our Sales of VOIs and financing segment described in Note 12.

[2] Included in our Resort operations and club management segment described in Note 12.

[3] Interest income of $19.0 million and $20.0 million for three months ended September 30, 2020 and 2019, respectively, and $58.3 million and $60.0 million for the nine months ended September 30, 2020 and 2019, respectively, is included in our Sales of VOIs and financing segment described in Note 12.