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Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments       $ 1
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]       Interest Expense, Deposits
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments $ 4,471 $ 11,749 $ 15,772 $ 34,431
Interest rate swaps - Loan | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments $ 2,032 $ 3,962 $ 6,022 $ 11,345
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest and Fee Income, Loans and Leases Interest and Fee Income, Loans and Leases Interest and Fee Income, Loans and Leases Interest and Fee Income, Loans and Leases
Interest rate swaps - Loan | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments $ (104)   $ (219)  
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest and Fee Income, Loans and Leases   Interest and Fee Income, Loans and Leases  
Interest Rate Swap, Securities | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments   $ 1,181   $ 3,185
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]   Interest and Dividend Income, Operating   Interest and Dividend Income, Operating
Interest Rate Swap, Short Term Advances | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments   $ 195   $ 559
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]   Interest Expense, Other   Interest Expense, Other
Interest Rate Swap, Brokered Deposits | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Total net income (expense) from the effects of derivative instruments $ 2,543 $ 6,411 $ 9,969 $ 19,341
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Expense, Deposits Interest Expense, Deposits Interest Expense, Deposits Interest Expense, Deposits