Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Significant Accounting Policies (Schedule of Deferred Income) (Details)

v3.8.0.1
Basis of Presentation and Significant Accounting Policies (Schedule of Deferred Income) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Deferred Revenue Arrangement [Line Items]    
Deferred income $ 36,311 $ 37,015
Deferred Sampler Program Income [Member]    
Deferred Revenue Arrangement [Line Items]    
Deferred income 10,056 11,821
Deferred VOI Sales Revenue [Member]    
Deferred Revenue Arrangement [Line Items]    
Deferred income 22,461 21,126
Other Deferred Income [Member]    
Deferred Revenue Arrangement [Line Items]    
Deferred income $ 3,794 $ 4,068