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Commitments And Contingencies Litigation and Tax Matters (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Loss Contingencies [Line Items]        
Guaranty Arrangement Percentage of Obligations Assumed by Anywhere 62.50%   62.50%  
Guaranty Arrangement Percentage of Obligations Assumed by Wyndham 37.50%   37.50%  
Due to former parent $ 38.0   $ 38.0 $ 20.0
Pending Litigation | Burnett and Moehrl        
Loss Contingencies [Line Items]        
Litigation Settlement, Amount Awarded to Other Party 83.5      
Payments for Legal Settlements $ 10.0      
Pending Litigation | Burnett and Moehrl | Subsequent Event        
Loss Contingencies [Line Items]        
Payments for Legal Settlements   $ 20.0    
Pending Litigation | Nosalek        
Loss Contingencies [Line Items]        
Litigation settlement amount to be paid by the defendant other than the Company     $ 3.0