XML 149 R128.htm IDEA: XBRL DOCUMENT v3.25.0.1
Loan Servicing (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Servicing Assets at Fair Value [Line Items]      
Serviced sold mortgage loans $ 1,858,000,000 $ 1,934,000,000 $ 2,051,000,000
Serviced sold mortgage loans with recourse 2,500,000 2,900,000 3,200,000
Mortgage loans sold with recourse, reserve 50,000 54,000  
Escrow Deposit $ 19,700,000 $ 19,200,000  
Mortgage servicing rights, discount rate 12.50% 12.00%  
Bank Servicing [Member]      
Servicing Assets at Fair Value [Line Items]      
Revenue from Contract with Customer, Including Assessed Tax $ 11,743,000 $ 10,300,000 15,295,000
Bank Servicing [Member] | Real Estate Loan [Member]      
Servicing Assets at Fair Value [Line Items]      
Revenue from Contract with Customer, Including Assessed Tax $ 4,900,000 $ 5,200,000 $ 5,400,000
Minimum      
Servicing Assets at Fair Value [Line Items]      
Mortgage servicing rights, constant prepayment speeds 5.76% 6.12%  
Maximum      
Servicing Assets at Fair Value [Line Items]      
Mortgage servicing rights, constant prepayment speeds 29.76% 27.50%  
Mortgages [Member]      
Servicing Assets at Fair Value [Line Items]      
Servicing Asset at Amortized Cost, Fair Value $ 16,500,000 $ 16,700,000