v3.26.3
Securitizations and Variable Interest Entities - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Average period to securitization     30 days    
MSRs retained $ 172.2 $ 116.0 $ 432.8 $ 258.9  
Percentage of loan transferred through securitization 60 days or more past due     2.20%   2.20%
Threshold period past due 60 days   60 days   60 days
Percentage Of The Limited Liability Company Interest 100.00%   100.00%    
Total Assets $ 11,320.9   $ 11,320.9   $ 16,170.6
Mortgage warehouse facilities 1,430.1   1,430.1   1,224.6
Mortgage Warehouse Agreement | Variable Interest Entity, Primary Beneficiary          
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Total Assets 643.6   643.6   507.6
Warehouse Mortgage Loan Financing Facility | Variable Interest Entity, Primary Beneficiary          
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Mortgage warehouse facilities $ 649.6   $ 649.6   $ 496.1
Ginnie Mae Loans          
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Percentage of loan transferred through securitization 60 days or more past due     4.60%   5.50%
Threshold period past due 60 days   60 days   60 days