Quarterly report pursuant to Section 13 or 15(d)

Debt (Receivable-Backed Notes Payable, Narrative) (Details)

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Debt (Receivable-Backed Notes Payable, Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 06, 2018
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2015
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 327,024 $ 336,421 [1]  
Liberty Bank Facility [Member]        
Debt Instrument [Line Items]        
Interest rate   5.00% 5.00%  
Liberty Bank Facility [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Maximum borrowing capacity   $ 50,000    
Future advance rate percent   0.50%    
Liberty Bank Facility [Member] | Minimum [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Interest rate   4.00%    
Quorum Purchase Facility [Member]        
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 21,689 $ 16,771  
Quorum Purchase Facility [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Maximum borrowing capacity   $ 50,000    
Gross advance rate       85.00%
Effective yield rate   4.95%    
Future advance rate percent   0.50%    
Quorum Purchase Facility [Member] | Minimum [Member]        
Debt Instrument [Line Items]        
Interest rate   4.75% 4.75%  
Quorum Purchase Facility [Member] | Interest Rate Per Annum 6.9% [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 2,900    
Effective yield rate   6.90%    
Quorum Purchase Facility [Member] | Interest Rate Per Annum 5.5% [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 2,700    
Effective yield rate   5.50%    
Quorum Purchase Facility [Member] | Interest Rate Per Annum 4.95% [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 6,900    
Effective yield rate   4.95%    
Quorum Purchase Facility [Member] | Interest Rate Per Annum 5.0% [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 3,200    
Effective yield rate   5.00%    
Quorum Purchase Facility [Member] | Interest Rate Per Annum 4.75% [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Receivable backed notes payable - non-recourse   $ 6,000    
Effective yield rate   4.75%    
Qualified Timeshare Loans [Member] | Liberty Bank Facility [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Future advance rate percent   85.00%    
Non-Conforming Qualified Timeshare Loans [Member] | Liberty Bank Facility [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Future advance rate percent   60.00%    
Subsequent Event [Member] | Quorum Purchase Facility [Member] | Bluegreen [Member]        
Debt Instrument [Line Items]        
Future advance rate percent 0.25%      
[1] See Note 1 for a summary of adjustments.