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Derivative Instruments - Effect Of Fair Value Hedges On Consolidated Statements Of Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivative [Line Items]      
Loans, including fees $ 1,796,900 $ 1,532,947 $ 1,512,748
Deposits (187,232) (74,919) (217,777)
Long-term debt (79,402) (45,349) (66,053)
Interest Income, Loans, Including Fees      
Derivative [Line Items]      
Loans, including fees 1,806,060 1,482,567 1,600,462
Interest Income, Loans, Including Fees | Cash Flow Hedging      
Derivative [Line Items]      
Pre-tax income (loss) recognized on hedges (24,057)    
Interest Income, Loans, Including Fees | Fair Value Hedging      
Derivative [Line Items]      
Amounts related to interest settlements and amortization on derivatives 0    
Recognized on derivatives 0    
Recognized on hedged items 0    
Pre-tax income (loss) recognized on hedges 0    
Interest Income, Loans, Including Fees | Interest rate contracts | Cash Flow Hedging      
Derivative [Line Items]      
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans (24,057) 12,862 2,765
Pre-tax income (loss) recognized on hedges   12,862 $ 2,765
Deposits      
Derivative [Line Items]      
Deposits (187,232)    
Deposits | Cash Flow Hedging      
Derivative [Line Items]      
Pre-tax income (loss) recognized on hedges 0    
Deposits | Fair Value Hedging      
Derivative [Line Items]      
Amounts related to interest settlements and amortization on derivatives 1,516    
Recognized on derivatives (24,227)    
Recognized on hedged items 24,227    
Pre-tax income (loss) recognized on hedges 1,516    
Deposits | Interest rate contracts | Cash Flow Hedging      
Derivative [Line Items]      
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans 0    
Deposits | Interest rate contracts | Fair Value Hedging      
Derivative [Line Items]      
Recognized on hedged items 24,227 0  
Long-Term Debt      
Derivative [Line Items]      
Long-term debt (79,402)    
Long-Term Debt | Cash Flow Hedging      
Derivative [Line Items]      
Pre-tax income (loss) recognized on hedges 0    
Long-Term Debt | Fair Value Hedging      
Derivative [Line Items]      
Amounts related to interest settlements and amortization on derivatives (322)    
Recognized on derivatives (19,348)    
Recognized on hedged items 19,348    
Pre-tax income (loss) recognized on hedges (322)    
Long-Term Debt | Interest rate contracts | Cash Flow Hedging      
Derivative [Line Items]      
Realized gains (losses) reclassified from AOCI, pre-tax, to interest income on loans $ 0    
Long-Term Debt | Interest rate contracts | Fair Value Hedging      
Derivative [Line Items]      
Recognized on hedged items   $ 0