Segment Reporting (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($) segment	Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($) segment
Segment Reporting Information [Line Items]
Total revenue		$ 195,574	$ 194,937	$ 364,418	$ 362,460
Cost of VOIs sold		10,572	6,789	14,420	8,601
Cost of other fee-based services		19,924	16,634	42,792	34,045
Cost reimbursements		17,358	14,059	37,594	30,260
Selling, general and administrative expenses		147,668	109,580	237,882	203,129
Interest expense		10,061	8,495	19,567	16,262
Total costs and expenses		205,583	155,557	352,255	292,297
(Loss) income before non-controlling interest and (benefit) provision for income taxes		$ (10,009)	$ 39,380	12,163	70,163
Add: Depreciation and amortization				$ 9,056	$ 7,597
Number of reportable segments | segment		2	2	2	2
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Total revenue		$ 3,943	$ 2,170	$ 6,023	$ 3,859
Selling, general and administrative expenses		18,629	18,870	36,757	40,462
Interest expense		4,991	3,873	9,235	6,930
Total costs and expenses		23,620	22,743	45,992	47,392
(Loss) income before non-controlling interest and (benefit) provision for income taxes		(19,677)	(20,573)	(39,969)	(43,533)
Elimination [Member]
Segment Reporting Information [Line Items]
Total revenue		(1,544)	(1,471)	(3,034)	(2,916)
Net carrying cost of VOI inventory		(5,288)	(1,650)	(12,976)	(4,167)
Cost of other fee-based services		5,288	1,650	12,976	4,167
Selling, general and administrative expenses		(370)	(124)	(480)	17
Mortgage servicing expense		(1,174)	(1,347)	(2,554)	(2,933)
Total costs and expenses		(1,544)	(1,471)	(3,034)	(2,916)
Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		148,154	152,963	269,332	278,705
Cost of VOIs sold		10,572	6,789	14,420	8,601
Net carrying cost of VOI inventory		5,288	1,650	12,976	4,167
Cost of other fee-based services		1,099	1,115	2,309	2,357
Selling, general and administrative expenses		129,409	90,834	201,605	162,650
Mortgage servicing expense		1,174	1,347	2,554	2,933
Interest expense		5,070	4,622	10,332	9,332
Total costs and expenses		152,612	106,357	244,196	190,040
(Loss) income before non-controlling interest and (benefit) provision for income taxes		(4,458)	46,606	25,136	88,665
Add: Depreciation and amortization		1,534	1,649	3,070	3,316
Add: Bass Pro Settlement	[1]	39,121		39,121
Segment Adjusted EBITDA	[2]	36,197	48,255	67,327	91,981
Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		45,021	41,275	92,097	82,812
Cost of other fee-based services		13,537	13,869	27,507	27,521
Cost reimbursements		17,358	14,059	37,594	30,260
Total costs and expenses		30,895	27,928	65,101	57,781
(Loss) income before non-controlling interest and (benefit) provision for income taxes		14,126	13,347	26,996	25,031
Add: Depreciation and amortization		364	403	730	798
Segment Adjusted EBITDA	[2]	14,490	13,750	27,726	25,829
Sales of VOIs [Member]
Segment Reporting Information [Line Items]
Total revenue	[3]	68,302	68,573	120,033	124,714
Sales of VOIs [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		68,302	68,573	120,033	124,714
Fee-Based Sales Commission Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue	[4]	55,343	60,086	100,555	105,940
Fee-Based Sales Commission Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		55,343	60,086	100,555	105,940
Other Fee-Based Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenue		30,703	30,391	60,271	58,415
Other Fee-Based Services Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		3,040	3,175	5,768	5,863
Other Fee-Based Services Revenue [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		27,663	27,216	54,503	52,552
Cost Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	[4]	17,358	14,059	37,594	30,260
Cost Reimbursements [Member] | Resort Operations And Club Management [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		17,358	14,059	37,594	30,260
Mortgage Servicing Revenue [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Total revenue		(1,544)	(1,471)	(3,034)	(2,916)
Mortgage Servicing Revenue [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		1,544	1,471	3,034	2,916
Interest Income [Member]
Segment Reporting Information [Line Items]
Total revenue	[3]	21,875	21,118	43,883	42,240
Interest Income [Member] | Corporate And Other [Member]
Segment Reporting Information [Line Items]
Total revenue		1,950	1,460	3,941	2,968
Interest Income [Member] | Sales Of VOIs And Financing [Member] | Reportable Segments [Member]
Segment Reporting Information [Line Items]
Total revenue		19,925	19,658	39,942	39,272
Other Income, Net [Member]
Segment Reporting Information [Line Items]
Total revenue		1,993	710	2,082	891
Other Income, Net [Member] | Corporate And Other [Member]
Segment Reporting Information [Line Items]
Total revenue		$ 1,993	$ 710	$ 2,082	$ 891

[1] See Note 10: Commitments and Contingencies for additional information regarding this matter.

[2] See Management's Discussion and Analysis of Financial Condition and Results of Operations for information regarding Adjusted EBITDA, including how we define Adjusted EBITDA and a reconciliation of Adjusted EBITDA to net income.

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

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