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Derivative Financial Instruments - Derivative Financial Instruments and the Amount and Location of the Net Gains or Losses Recognized in the Statements of Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income $ 1,809 $ 175 $ 4,155 $ 1,774
Derivatives designated as hedging instruments | Interest Income on Investment Securities Available-for-Sale        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income 22,435 (5,035) 2,288 (5,035)
Derivatives designated as hedging instruments | Interest Income on Investment Securities Available-for-Sale | Interest Rate Swap Agreements        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income (22,380) 4,954 (2,405) 4,954
Derivatives designated as hedging instruments | Interest and Fees on Loans and Leases        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income 31,781 (2,885) 4,721 (3,321)
Derivatives designated as hedging instruments | Interest and Fees on Loans and Leases | Interest Rate Swap Agreements        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income (31,458) 2,828 (4,634) 3,262
Derivatives not designated as hedging instruments | Interest Rate Lock Commitments        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income $ 506 $ 75 $ 751 $ 553
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Mortgage Banking Income Mortgage Banking Income Mortgage Banking Income Mortgage Banking Income
Derivatives not designated as hedging instruments | Forward Commitments        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income $ (137) $ 199 $ 79 $ 260
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Mortgage Banking Income Mortgage Banking Income Mortgage Banking Income Mortgage Banking Income
Derivatives not designated as hedging instruments | Interest Rate Swap Agreements        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income $ (47) $ 21 $ 6 $ 3
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income
Derivatives not designated as hedging instruments | Foreign Exchange Contracts        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income $ 1,109 $ 816 $ 3,349 $ 2,460
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income
Derivatives not designated as hedging instruments | Visa Conversion Rate Swap Agreements        
Derivative Instruments Gain Loss [Line Items]        
Net gains (losses) recognized in the statements of income $ 0 $ (798) $ 0 $ (1,362)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net Losses on Sales of Investment Securities Net Losses on Sales of Investment Securities Net Losses on Sales of Investment Securities Net Losses on Sales of Investment Securities