Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Disaggregated Revenue) (Details)

v3.10.0.1
Revenue Recognition (Disaggregated Revenue) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Disaggregation of Revenue [Line Items]            
Revenue from customers $ 220,267 $ 193,461 $ 411,274 $ 356,981    
Total revenues 243,226 217,666 [1] 461,268 403,100 [1]    
Sales Of VOIs [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 68,573 59,405 124,714 113,641    
Total revenues 68,573 59,405 [1] 124,714 113,641 [1] $ 242,017 $ 273,874
Fee-Based Sales Commissions [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 60,086 63,915 105,940 109,069    
Total revenues 60,086 63,915 [1] 105,940 109,069 [1]    
Other Fee-Based Services [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 25,562 22,660 49,514 44,687    
Total revenues 30,391 29,935 [1] 58,415 56,056 [1]    
Cost Reimbursements [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 14,059 11,893 30,260 26,563    
Total revenues 14,059 11,893 [1] 30,260 26,563 [1] 52,639 49,557
Title Fees [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 3,175 5,737 5,863 8,554    
Rental Revenue [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 1,654 1,538 3,038 2,815    
Trade Sales - Wholesale [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 19,988 22,713 38,353 44,576    
Trade Sales - Retail [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 23,920 5,600 43,933 7,076    
Sales Of Real Estate Inventory [Member]            
Disaggregation of Revenue [Line Items]            
Revenue from customers 3,250   9,659      
Total revenues 3,250   9,659      
Interest Income [Member]            
Disaggregation of Revenue [Line Items]            
Total revenues 20,664 20,875 [1] 42,581 42,030 [1]    
Net Gains On Sales Of Real Estate Assets [Member]            
Disaggregation of Revenue [Line Items]            
Total revenues 733 1,884 [1] 4,802 1,686 [1] $ 1,949 $ 3,802
Other Revenue [Member]            
Disaggregation of Revenue [Line Items]            
Total revenues $ 1,562 $ 1,446 [1] $ 2,611 $ 2,403 [1]    
[1] See Note 1 for a summary of adjustments.