Revenue Recognition (Disaggregated Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue from customers	$ 74,334	$ 213,840	$ 256,577	$ 407,615
Interest income	19,499	21,518	40,815	42,933
Net gains (losses) on sales of real estate assets	13	9,664	(34)	10,996
Other revenue	473	671	1,047	1,501
Total revenues	94,319	245,693	298,405	463,045
Sales Of VOIs [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	9,054	68,302	54,182	120,033
Fee-Based Sales Commissions [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	1,135	55,343	42,500	100,555
Resort And Club Management Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	24,224	25,603	49,253	51,039
Cost Reimbursements [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	11,850	14,007	30,970	31,051
Resort Title Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	1,349	3,040	4,072	5,768
Trade Sales - Wholesale [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	18,408	18,000	39,273	40,360
Trade Sales - Retail [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	4,635	27,061	24,647	50,685
Sales Of Real Estate Inventory [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	2,839	424	9,278	4,660
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue from customers	$ 840	$ 2,060	$ 2,402	$ 3,464