v3.25.2
Allowance for Credit Losses (Recorded Investments in Loans) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Loans            
Evaluated on an Individual Basis $ 97.7   $ 65.9      
Evaluated on a Collective Basis 43,225.7   43,324.7      
TOTAL LOANS 43,323.4   43,390.6      
Allowance for Credit Losses on Loans            
Evaluated on an Individual Basis 13.5   3.2      
Evaluated on a Collective Basis 167.0   164.8      
Allowance Assigned to Loans 180.5 $ 167.1 168.0 $ 167.7 $ 162.4 $ 178.7
Allowance Assigned to Undrawn Loan Commitments and Standby Letters of Credit - Evaluated on a Collective Basis 34.7 32.8 30.4 29.5 25.2 26.9
Total Allowance Assigned to Loans and Undrawn Loan Commitments and Standby Letters of Credit 215.2   198.4      
COMMERCIAL            
Loans            
Evaluated on an Individual Basis 50.6   35.9      
Evaluated on a Collective Basis 20,034.9   20,242.9      
TOTAL LOANS 20,085.5   20,278.8      
Allowance for Credit Losses on Loans            
Evaluated on an Individual Basis 9.5   1.2      
Evaluated on a Collective Basis 136.3   137.3      
Allowance Assigned to Loans 145.8 133.6 138.5 136.9 131.7 146.8
Allowance Assigned to Undrawn Loan Commitments and Standby Letters of Credit - Evaluated on a Collective Basis 32.5 30.7 28.3 27.2 22.5 24.9
Total Allowance Assigned to Loans and Undrawn Loan Commitments and Standby Letters of Credit 178.3   166.8      
PERSONAL            
Loans            
Evaluated on an Individual Basis 47.1   30.0      
Evaluated on a Collective Basis 23,190.8   23,081.8      
TOTAL LOANS 23,237.9   23,111.8      
Allowance for Credit Losses on Loans            
Evaluated on an Individual Basis 4.0   2.0      
Evaluated on a Collective Basis 30.7   27.5      
Allowance Assigned to Loans 34.7 33.5 29.5 30.8 30.7 31.9
Allowance Assigned to Undrawn Loan Commitments and Standby Letters of Credit - Evaluated on a Collective Basis 2.2 $ 2.1 2.1 $ 2.3 $ 2.7 $ 2.0
Total Allowance Assigned to Loans and Undrawn Loan Commitments and Standby Letters of Credit $ 36.9   $ 31.6