XML 132 R117.htm IDEA: XBRL DOCUMENT v3.25.3
Non-consolidated VIEs - Corporation's VI in non-consolidated VIEs and max exposure to loss (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Variable Interest Entity [Line Items]      
Assets $ 75,065,798 $ 73,045,383 $ 71,323,074
Variable Interest Entity Not Primary Beneficiary      
Variable Interest Entity [Line Items]      
Assets 80,690 90,468  
Maximum exposure to loss 80,690 90,468  
Variable Interest Entity Not Primary Beneficiary | Servicing assets      
Variable Interest Entity [Line Items]      
Assets 76,673 84,356  
Variable Interest Entity Not Primary Beneficiary | Mortgage servicing rights      
Variable Interest Entity [Line Items]      
Assets 76,673 84,356  
Variable Interest Entity Not Primary Beneficiary | Other assets      
Variable Interest Entity [Line Items]      
Assets 4,017 6,112  
Variable Interest Entity Not Primary Beneficiary | Servicing advances      
Variable Interest Entity [Line Items]      
Assets $ 4,017 $ 6,112