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Derivative Financial Instruments - Notional Values (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Derivatives, Fair Value [Line Items]    
Notional Values $ 1,958,717 $ 2,842,846
Trading    
Derivatives, Fair Value [Line Items]    
Notional Values 0 0
Cash Flow | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Notional Values 1,256,408 1,314,660
Fair Value | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Notional Values 702,309 1,528,186
Interest rate swaps    
Derivatives, Fair Value [Line Items]    
Notional Values 1,958,717 2,842,846
Interest rate swaps | Trading    
Derivatives, Fair Value [Line Items]    
Notional Values 0 0
Interest rate swaps | Cash Flow | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Notional Values 1,256,408 1,314,660
Interest rate swaps | Fair Value | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Notional Values $ 702,309 $ 1,528,186