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Commitments And Contingencies (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Loss Contingencies [Line Items]      
Guaranty Arrangement Percentage of Obligations Assumed by Realogy 62.50% 62.50%  
Guaranty Arrangement Percentage of Obligations Assumed by Wyndham 37.50% 37.50%  
Minimum Aggregate Value of Former Parent Contingent Liabilities for which the Letter of Credit will be Terminated $ 30,000 $ 30,000  
Noninterest-bearing deposit liabilities 650,000 650,000 $ 415,000
Maximum      
Loss Contingencies [Line Items]      
Cash, FDIC insured amount 250 250  
Synthetic Letter of Credit Facility      
Loss Contingencies [Line Items]      
Outstanding letters of credit 53,000 53,000 $ 53,000
Strader [Member]      
Loss Contingencies [Line Items]      
Legal Fees $ 8,000 $ 8,000