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Derivative Financial Instruments Impact of Fair Value on Qualifying Hedges (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings   $ 10,471 $ 10,008
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)   38,811  
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings $ 1,629 10,265 (1,833)
Not Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings 28,293    
Interest rate derivatives [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings 25,092 10,369 11,068
Interest rate derivatives [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings 306 411 8,206
Interest rate derivatives [Member] | Other Income [Member] | Not Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings 1,935 10,676 6,373
Mortgage Banking Derivatives [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings (48) (776) 636
Other Contract [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) on Fair Value Hedges Recognized in Earnings 3,249 878 $ (1,696)
Long-term Debt [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Hedged Liability, Fair Value Hedge 333,458 $ 338,811  
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) $ 33,458