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Commitments And Contingencies (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Loss Contingencies [Line Items]    
Guaranty Arrangement Percentage of Obligations Assumed by Realogy 62.50%  
Guaranty Arrangement Percentage of Obligations Assumed by Wyndham 37.50%  
Minimum Aggregate Value of Former Parent Contingent Liabilities for which the Letter of Credit will be Terminated $ 30,000  
Noninterest-bearing deposit liabilities 571,000 $ 415,000
Maximum    
Loss Contingencies [Line Items]    
Cash, FDIC insured amount 250  
Synthetic Letter of Credit Facility    
Loss Contingencies [Line Items]    
Outstanding letters of credit $ 53,000 $ 53,000