v3.26.3
Advances - Schedule of Advances Paid on Behalf of Borrowers or on Foreclosed Properties (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Advances On Behalf of Borrowers [Line Items]            
Advances, gross $ 378.4   $ 487.9      
Allowance for losses (3.3) $ (3.3) (4.5) $ (5.6) $ (6.4) $ (7.4)
Advances, net (2) 375.1   483.4      
Subservicing Client One | Advanaces | Counterparty Risk            
Advances On Behalf of Borrowers [Line Items]            
Advances, net (2) 34.4          
GSE            
Advances On Behalf of Borrowers [Line Items]            
Advances, net (2) 42.6   82.2      
Ginnie Mae            
Advances On Behalf of Borrowers [Line Items]            
Advances, net (2) 59.9   63.3      
Non-Agency            
Advances On Behalf of Borrowers [Line Items]            
Advances, net (2) 272.6   337.9      
Principal and interest            
Advances On Behalf of Borrowers [Line Items]            
Advances, gross 82.1   98.9      
Taxes and insurance            
Advances On Behalf of Borrowers [Line Items]            
Advances, gross 174.9   278.8      
Foreclosures, bankruptcy, REO and other (1)            
Advances On Behalf of Borrowers [Line Items]            
Advances, gross 121.4   $ 110.2      
Foreclosures, bankruptcy, REO and other (1) | NEW YORK            
Advances On Behalf of Borrowers [Line Items]            
Advances, gross $ 23.8