Revenue From Contracts With Customers (Revenue Disaggregation) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Total revenue		$ 195,574	$ 194,937	$ 364,418	$ 362,460
Sales of VOIs [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	68,302	68,573	120,033	124,714
Fee-Based Sales Commission Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	55,343	60,086	100,555	105,940
Resort And Club Management Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	25,603	25,562	51,039	49,514
Cost Reimbursements [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	17,358	14,059	37,594	30,260
Title Fees [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	3,040	3,175	5,768	5,863
Other Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[2]	2,060	1,654	3,464	3,038
Revenue From Customers [Member]
Disaggregation of Revenue [Line Items]
Total revenue		171,706	173,109	318,453	319,329
Interest Income [Member]
Disaggregation of Revenue [Line Items]
Total revenue	[1]	21,875	21,118	43,883	42,240
Other Income, Net [Member]
Disaggregation of Revenue [Line Items]
Total revenue		$ 1,993	$ 710	$ 2,082	$ 891

[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.