v3.25.1
Derivatives and Hedging Activities (Narrative) (Details)
 3 Months Ended
Mar. 31, 2025
USD ($)
counterparty
instrument
Dec. 31, 2024
USD ($)
instrument
Derivative [Line Items]    
Amount of collateral $ 0 $ 0
Derivative assets 144,754,000 179,332,000
Derivative liabilities 142,514,000 174,548,000
Derivative instruments in accumulated other comprehensive income (loss) reclassified to interest expense 2,600,000  
Notional amount $ 300,000,000 300,000,000
Number of counterparties | counterparty 5  
Derivatives Not Designated as a Hedging Instruments    
Derivative [Line Items]    
Notional amount   $ 174,344,000
Derivatives Not Designated as a Hedging Instruments | Interest rate products    
Derivative [Line Items]    
Number of derivative instruments held | instrument 478 482
Derivative notional amount $ 4,580,000,000 $ 4,540,000,000
Notional amount $ 2,289,257,000 $ 2,272,162,000
Derivatives Not Designated as a Hedging Instruments | Credit contracts    
Derivative [Line Items]    
Number of derivative instruments held | instrument 9 9
Derivative notional amount $ 78,600,000 $ 79,200,000
Amount of collateral 0  
Derivative assets   0
Derivative liabilities   0
Notional amount $ 66,968,000 $ 67,560,000
Designated as Hedging Instrument    
Derivative [Line Items]    
Number of outstanding derivatives | instrument 6 6
Designated as Hedging Instrument | Interest rate products    
Derivative [Line Items]    
Notional amount $ 125,000,000 $ 75,000,000