v3.26.1
Borrowings and Other Arrangements - Federal Funds Purchased (Details) - Line Of Credit, Correspondent Banks - Line of Credit - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
OTHER BORROWING ARRANGEMENTS    
Short-term borrowings $ 120.0 $ 210.0
Unsecured Debt    
OTHER BORROWING ARRANGEMENTS    
Maximum borrowing capacity $ 366.8 $ 250.8