v3.25.1
Securitizations and Variable Interest Entities - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Jun. 30, 2024
Feb. 28, 2025
Dec. 31, 2024
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Average period to securitization 30 days        
MSRs retained $ 60.5 $ 34.7      
Percentage of loan transferred through securitization 60 days or more past due 2.30%   2.70%    
Threshold period past due 60 days       60 days
Percentage Of The Limited Liability Company Interest 100.00%     100.00%  
Mortgage Warehouse Agreement | Variable Interest Entity, Primary Beneficiary          
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Mortgages Held-for-sale, Fair Value Disclosure $ 200.0       $ 200.0
Warehouse Mortgage Loan Financing Facility | Variable Interest Entity, Primary Beneficiary          
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Loans held for sale pledged as a collateral 200.0       200.0
Mortgages Held-for-sale, Fair Value Disclosure $ 348.6       $ 375.4
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 6.00%   7.00%    
Threshold period past due 60 days       60 days