Revenue From Contracts With Customers (Revenue Disaggregation) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total revenue		$ 205,878	$ 202,205	$ 570,296	$ 564,662
Sales of VOIs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	66,318	70,698	186,351	195,412
Fee-Based Sales Commission Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	60,478	61,641	161,033	167,581
Resort And Club Management Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	27,165	25,744	78,169	75,257
Cost Reimbursements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	21,111	16,900	58,705	47,157
Title Fees And Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	4,289	3,491	10,092	9,355
Other Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	2,290	1,822	5,754	4,860
Revenue From Customers [Member]
Disaggregation of Revenue [Line Items]
Total revenue		181,651	180,296	500,104	499,622
Interest Income [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	22,081	21,531	65,964	63,771
Other Income, Net [Member]
Disaggregation of Revenue [Line Items]
Total revenue		$ 2,146	$ 378	$ 4,228	$ 1,269

[1] Included in our sales of VOIs and financing segment described in Note 13: Segment Reporting.

[2] Included in our resort operations and club management segment described in Note 13: Segment Reporting.