Condensed Consolidating Guarantor Financial Information - Statements of Operations (Details) - USD ($)	3 Months Ended								9 Months Ended
	Sep. 30, 2019		Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019		Sep. 30, 2018
Revenues
Total revenues	$ 466,000,000				$ 427,000,000				$ 1,370,000,000		$ 1,357,000,000
Expenses
General and administrative	28,000,000				31,000,000				82,000,000		84,000,000
Depreciation and amortization	14,000,000				9,000,000				37,000,000		25,000,000
Total operating expenses	384,000,000				364,000,000				1,139,000,000		1,092,000,000
Interest expense	(12,000,000)				(7,000,000)				(33,000,000)		(22,000,000)
Equity in earnings from unconsolidated affiliates	1,000,000				1,000,000				4,000,000
Other loss, net	(1,000,000)				(1,000,000)				(3,000,000)		(1,000,000)
Income before income taxes	70,000,000				56,000,000				199,000,000		242,000,000
Income tax expense	(20,000,000)				(15,000,000)				(55,000,000)		(64,000,000)
Income before equity in earnings from subsidiaries	50,000,000				41,000,000				144,000,000		178,000,000
Net income	50,000,000	[1]	$ 39,000,000	$ 55,000,000	40,533,279	[1]	$ 107,000,000	$ 30,000,000	144,352,584	[1]	177,564,538	[1]
Eliminations
Revenues
Total revenues	(14,000,000)				(3,000,000)				(41,000,000)		(9,000,000)
Expenses
Total operating expenses	(14,000,000)				(3,000,000)				(41,000,000)		(9,000,000)
Dividends from subsidiary	(12,000,000)								(562,000,000)
Income before income taxes	(12,000,000)								(562,000,000)
Income before equity in earnings from subsidiaries	(12,000,000)								(562,000,000)
Equity in earnings from subsidiaries	(124,000,000)				(104,000,000)				(49,000,000)		(421,000,000)
Net income	(136,000,000)				(104,000,000)				(611,000,000)		(421,000,000)
Sales of VOIs, Net
Revenues
Total revenues	138,000,000				99,000,000				383,000,000		427,000,000
Sales, Marketing, Brand and Other Fees
Revenues
Total revenues	143,000,000				152,000,000				429,000,000		423,000,000
Sales, Marketing, Brand and Other Fees | Eliminations
Revenues
Total revenues	(12,000,000)								(35,000,000)		(4,000,000)
Financing
Revenues
Total revenues	43,000,000				40,000,000				127,000,000		117,000,000
Expenses
Expenses	14,000,000				12,000,000				39,000,000		35,000,000
Financing | Eliminations
Revenues
Total revenues	(2,000,000)				(3,000,000)				(6,000,000)		(5,000,000)
Expenses
Expenses	(2,000,000)				(3,000,000)				(6,000,000)		(5,000,000)
Resort and Club Management
Revenues
Total revenues	45,000,000				40,000,000				130,000,000		116,000,000
Expenses
Expenses	11,000,000				11,000,000				34,000,000		33,000,000
Rental and Ancillary Services
Revenues
Total revenues	54,000,000				60,000,000				173,000,000		164,000,000
Expenses
Expenses	36,000,000				37,000,000				108,000,000		95,000,000
Cost Reimbursements
Revenues
Total revenues	43,000,000				36,000,000				128,000,000		110,000,000
Expenses
Expenses	43,000,000				36,000,000				128,000,000		110,000,000
Cost of VOI Sales
Expenses
Expenses	24,000,000				29,000,000				92,000,000		109,000,000
Sales and Marketing
Expenses
Expenses	188,000,000				174,000,000				544,000,000		528,000,000
Sales and Marketing | Eliminations
Expenses
Expenses	(12,000,000)								(35,000,000)		(4,000,000)
License Fee Expense
Expenses
Expenses	26,000,000				25,000,000				75,000,000		73,000,000
Parent
Expenses
Dividends from subsidiary	6,000,000								281,000,000
Income before income taxes	6,000,000								281,000,000
Income before equity in earnings from subsidiaries	6,000,000								281,000,000
Equity in earnings from subsidiaries	44,000,000				41,000,000				(181,000,000)		178,000,000
Net income	50,000,000				41,000,000				100,000,000		178,000,000
Issuers
Expenses
Interest expense	(12,000,000)				(7,000,000)				(33,000,000)		(22,000,000)
Dividends from subsidiary	6,000,000								281,000,000
Income before income taxes	(6,000,000)				(7,000,000)				248,000,000		(22,000,000)
Income before equity in earnings from subsidiaries	(6,000,000)				(7,000,000)				248,000,000		(22,000,000)
Equity in earnings from subsidiaries	62,000,000				48,000,000				177,000,000		200,000,000
Net income	56,000,000				41,000,000				425,000,000		178,000,000
Guarantors
Revenues
Total revenues	435,000,000				399,000,000				1,274,000,000		1,285,000,000
Expenses
General and administrative	27,000,000				30,000,000				81,000,000		83,000,000
Depreciation and amortization	14,000,000				9,000,000				37,000,000		25,000,000
Total operating expenses	371,000,000				351,000,000				1,097,000,000		1,063,000,000
Equity in earnings from unconsolidated affiliates	1,000,000				1,000,000				4,000,000
Other loss, net	(1,000,000)				(1,000,000)				(3,000,000)		(1,000,000)
Income before income taxes	64,000,000				48,000,000				178,000,000		221,000,000
Income tax expense	(20,000,000)				(15,000,000)				(54,000,000)		(64,000,000)
Income before equity in earnings from subsidiaries	44,000,000				33,000,000				124,000,000		157,000,000
Equity in earnings from subsidiaries	18,000,000				15,000,000				53,000,000		43,000,000
Net income	62,000,000				48,000,000				177,000,000		200,000,000
Guarantors | Sales of VOIs, Net
Revenues
Total revenues	123,000,000				97,000,000				333,000,000		422,000,000
Guarantors | Sales, Marketing, Brand and Other Fees
Revenues
Total revenues	154,000,000				151,000,000				459,000,000		424,000,000
Guarantors | Financing
Revenues
Total revenues	19,000,000				17,000,000				57,000,000		54,000,000
Expenses
Expenses	6,000,000				4,000,000				14,000,000		14,000,000
Guarantors | Resort and Club Management
Revenues
Total revenues	44,000,000				40,000,000				129,000,000		116,000,000
Expenses
Expenses	11,000,000				11,000,000				34,000,000		33,000,000
Guarantors | Rental and Ancillary Services
Revenues
Total revenues	53,000,000				59,000,000				171,000,000		162,000,000
Expenses
Expenses	34,000,000				36,000,000				104,000,000		93,000,000
Guarantors | Cost Reimbursements
Revenues
Total revenues	42,000,000				35,000,000				125,000,000		107,000,000
Expenses
Expenses	42,000,000				35,000,000				125,000,000		107,000,000
Guarantors | Cost of VOI Sales
Expenses
Expenses	22,000,000				29,000,000				83,000,000		109,000,000
Guarantors | Sales and Marketing
Expenses
Expenses	187,000,000				172,000,000				544,000,000		526,000,000
Guarantors | License Fee Expense
Expenses
Expenses	28,000,000				25,000,000				75,000,000		73,000,000
Non-Guarantors
Revenues
Total revenues	45,000,000				31,000,000				137,000,000		81,000,000
Expenses
General and administrative	1,000,000				1,000,000				1,000,000		1,000,000
Total operating expenses	27,000,000				16,000,000				83,000,000		38,000,000
Income before income taxes	18,000,000				15,000,000				54,000,000		43,000,000
Income tax expense									(1,000,000)
Income before equity in earnings from subsidiaries	18,000,000				15,000,000				53,000,000		43,000,000
Net income	18,000,000				15,000,000				53,000,000		43,000,000
Non-Guarantors | Sales of VOIs, Net
Revenues
Total revenues	15,000,000				2,000,000				50,000,000		5,000,000
Non-Guarantors | Sales, Marketing, Brand and Other Fees
Revenues
Total revenues	1,000,000				1,000,000				5,000,000		3,000,000
Non-Guarantors | Financing
Revenues
Total revenues	26,000,000				26,000,000				76,000,000		68,000,000
Expenses
Expenses	10,000,000				11,000,000				31,000,000		26,000,000
Non-Guarantors | Resort and Club Management
Revenues
Total revenues	1,000,000								1,000,000
Non-Guarantors | Rental and Ancillary Services
Revenues
Total revenues	1,000,000				1,000,000				2,000,000		2,000,000
Expenses
Expenses	2,000,000				1,000,000				4,000,000		2,000,000
Non-Guarantors | Cost Reimbursements
Revenues
Total revenues	1,000,000				1,000,000				3,000,000		3,000,000
Expenses
Expenses	1,000,000				1,000,000				3,000,000		3,000,000
Non-Guarantors | Cost of VOI Sales
Expenses
Expenses	2,000,000								9,000,000
Non-Guarantors | Sales and Marketing
Expenses
Expenses	13,000,000				$ 2,000,000				$ 35,000,000		$ 6,000,000
Non-Guarantors | License Fee Expense
Expenses
Expenses	$ (2,000,000)

[1] Net income for the three months ended September 30, 2019 and 2018 was $50,659,927 and $40,533,279, respectively, and for the nine months ended September 30, 2019