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Derivatives and Hedging Activities (Schedule of Derivatives not Designated as Hedging Instruments) (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Derivative [Line Items]    
Risk Participation Agreement, Purchased, Derivative, Notional Amount $ 211,363 $ 126,578
Risk Participation Agreement, Purchased, Derivative, Asset, FV 296 175
Risk Participation Agreement, Purchased, Derivative, Liability, FV 0 0
Risk Participation Agreement, Sold, Derivative, Notional Amount 455,990 424,424
Risk Participation Agreement, Sold, Derivative, Asset, FV 0 0
Risk Participation Agreement, Sold, Derivative, Liability, FV (425) (296)
Derivatives not designated as hedges    
Derivative [Line Items]    
Notional Amount 8,635,889 6,506,902
Asset 85,158 81,737
Liability (85,059) (81,858)
Derivatives not designated as hedges | Pay-fixed forward-starting interest rate swaps    
Derivative [Line Items]    
Notional Amount 3,720,972 2,767,552
Asset 30,812 69,802
Liability (53,546) (10,342)
Derivatives not designated as hedges | Pay-variable interest rate swaps    
Derivative [Line Items]    
Notional Amount 3,720,972 2,767,552
Asset 53,774 10,342
Liability (30,812) (69,802)
Derivatives not designated as hedges | Interest Rate Cap    
Derivative [Line Items]    
Notional Amount 263,296 210,398
Asset 276 1,418
Liability 0 0
Derivatives not designated as hedges | Interest Rate Caps Sold    
Derivative [Line Items]    
Notional Amount 263,296 210,398
Asset 0 0
Liability $ (276) $ (1,418)