Segment Reporting (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($) segment
Segment Reporting Information [Line Items]
Total revenue	$ 521,112	$ 740,242	$ 738,320
Cost of VOIs sold	13,597	21,845	23,813
Cost of other fee-based services	79,434	83,440	69,968
Cost reimbursements	64,305	63,889	62,534
Selling, general and administrative expenses	311,625	472,356	418,403
Interest expense	31,980	39,538	34,709
Other expense, net	1,342	910
Total costs and expenses	502,283	681,978	609,427
Income before non-controlling interest and provision for income taxes	18,829	58,264	128,893
Add: Depreciation and amortization	19,231	$ 18,992	$ 16,604
Add: Severance	$ 5,000
Number of reportable segments | segment	2	2	2
Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 3,484	$ 9,801	$ 7,738
Selling, general and administrative expenses	68,165	81,829	79,687
Interest expense	15,030	19,035	15,195
Other expense, net	370
Total costs and expenses	83,565	100,864	94,882
Income before non-controlling interest and provision for income taxes	(80,081)	(91,063)	(87,144)
Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenue	(5,873)	(11,200)	(5,951)
Net carrying cost of VOI inventory	(34,626)	(23,816)	(11,358)
Cost of other fee-based services	34,626	23,816	11,358
Selling, general and administrative expenses	(1,295)	(947)	254
Mortgage servicing expense	(4,578)	(5,276)	(6,205)
Other expense, net		(4,977)
Total costs and expenses	(5,873)	(11,200)	(5,951)
Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	354,941	566,754	568,180
Cost of VOIs sold	13,597	21,845	23,813
Net carrying cost of VOI inventory	34,626	23,816	11,358
Cost of other fee-based services	3,823	6,972	4,591
Selling, general and administrative expenses	244,755	391,474	338,462
Mortgage servicing expense	4,578	5,276	6,205
Interest expense	16,950	20,503	19,514
Other expense, net	942
Total costs and expenses	319,271	469,886	403,943
Income before non-controlling interest and provision for income taxes	35,670	96,868	164,237
Add: Depreciation and amortization	5,852	6,118	6,335
Add: Severance	4,445	1,416	96
Add: Bass Pro Settlement		39,121
Loss on assets held for sale	942	58
Segment Adjusted EBITDA	46,909	143,581	170,668
Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	168,560	174,887	168,353
Cost of other fee-based services	40,985	52,652	54,019
Cost reimbursements	64,305	63,889	62,534
Other expense, net	30	5,887
Total costs and expenses	105,320	122,428	116,553
Income before non-controlling interest and provision for income taxes	63,240	52,459	51,800
Add: Depreciation and amortization	796	1,294	1,719
Add: Severance	1,369	238	42
Loss on assets held for sale	30	5,887
Segment Adjusted EBITDA	65,435	59,878	53,561
Sales of VOIs [Member]
Segment Reporting Information [Line Items]
Total revenue	173,997	255,375	254,225
Sales of VOIs [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	173,997	255,375	254,225
Fee-Based Sales Commission Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	89,965	207,832	216,422
Fee-Based Sales Commission Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	89,965	207,832	216,422
Other Fee-Based Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	111,823	125,244	118,024
Other Fee-Based Services Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	7,568	14,246	12,205
Other Fee-Based Services Revenue [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	104,255	110,998	105,819
Cost Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	64,305	63,889	62,534
Cost Reimbursements [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	64,305	63,889	62,534
Mortgage Servicing Revenue [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenue	(5,873)	(6,223)	(5,951)
Mortgage Servicing Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	5,873	6,223	5,951
Interest Income [Member]
Segment Reporting Information [Line Items]
Total revenue	81,022	87,902	85,914
Interest Income [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenue	3,484	7,892	6,537
Interest Income [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 77,538	80,010	79,377
Other Income, Net [Member]
Segment Reporting Information [Line Items]
Total revenue			1,201
Other Income, Net [Member] | Corporate Expenses & Other [Member]
Segment Reporting Information [Line Items]
Total revenue		1,909	$ 1,201
Other Income, Net [Member] | Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenue		(4,977)
Other Income, Net [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		$ 3,068