FINANCIAL INSTRUMENTS - Carrying Values and Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	$ 1,132,783	$ 1,114,552
Other	200,768	166,653
Debt, net	(1,012,350)	(1,095,213)
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other	22,497	13,708
Total financial assets	1,155,280	1,128,260
Debt, net	(1,012,350)	(1,095,213)
Total financial liabilities	(1,005,105)	(1,087,967)
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other	22,497	13,708
Total financial assets	1,301,532	1,289,218
Total financial liabilities	(1,057,534)	(1,156,472)
Vacation ownership notes receivable — securitized
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	725,835	814,011
Vacation ownership notes receivable — securitized | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	725,835	814,011
Vacation ownership notes receivable — securitized | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	841,564	954,743
Vacation ownership notes receivable — non-securitized
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	406,948	300,541
Vacation ownership notes receivable — non-securitized | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	406,948	300,541
Vacation ownership notes receivable — non-securitized | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Vacation ownership notes receivable, net	437,471	320,767
Non-Recourse Debt | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt, net	(749,521)	(834,889)
Non-Recourse Debt | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt, net	(743,442)	(836,028)
Convertible Senior Notes | Senior Notes | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt, net	(194,147)	(192,518)
Convertible Senior Notes | Senior Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt, net	(252,655)	(259,884)
Non-Interest Bearing Note Payable | Non-interest bearing note payable, net | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt, net	(61,437)	(60,560)
Non-Interest Bearing Note Payable | Non-interest bearing note payable, net | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt, net	$ (61,437)	$ (60,560)