XML 74 R51.htm IDEA: XBRL DOCUMENT v3.24.3
Securitizations and Variable Interest Entities - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]          
Average period to securitization     30 days    
MSRs retained $ 61.6 $ 71.4 $ 163.9 $ 134.0  
Percentage of loan transferred through securitization 60 days or more past due     2.80%   2.80%
Threshold period past due 60 days   60 days   60 days
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   $ 150.1
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   150.0
Mortgages Held-for-sale, Fair Value Disclosure $ 395.2   $ 395.2   $ 119.5
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     7.40%   8.00%
Threshold period past due 60 days   60 days   60 days