XML 63 R51.htm IDEA: XBRL DOCUMENT v3.26.1
Derivative Instruments and Hedging Activities - Interest rate Derivatives (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount $ 320,500 $ 456,350
Derivative Liability, Notional Amount 112,644 173,964
Derivative Asset, Estimated Fair Value 15,903 26,201
Derivative Liability, Estimated Fair Value 435 1,144
Designated as Hedging Instrument | Fair Value Hedging    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 45,144 242,314
Derivatives not designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 327,023 280,682
Derivative Liability, Notional Amount 349,077 277,733
Derivative Asset, Estimated Fair Value 7,745 8,700
Derivative Liability, Estimated Fair Value 7,756 8,712
Interest Rate Swaps | Designated as Hedging Instrument | Fair Value Hedging    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount   145,850
Derivative Liability, Notional Amount 45,144 96,464
Derivative Asset, Estimated Fair Value   10,968
Derivative Liability, Estimated Fair Value 137 419
Interest Rate Swaps | Designated as Hedging Instrument | Cash Flow Hedging    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 195,500 185,500
Derivative Liability, Notional Amount 67,500 77,500
Derivative Asset, Estimated Fair Value 2,623 2,012
Derivative Liability, Estimated Fair Value 298 725
Interest Rate Swaps | Derivatives not designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 314,218 267,831
Derivative Liability, Notional Amount 314,218 267,831
Derivative Asset, Estimated Fair Value 7,745 8,699
Derivative Liability, Estimated Fair Value 7,745 8,699
Interest Rate Caps | Designated as Hedging Instrument | Cash Flow Hedging    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 125,000 125,000
Derivative Asset, Estimated Fair Value 13,280 13,221
Risk Participation Agreements | Derivatives not designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Notional Amount 12,805 12,851
Derivative Liability, Notional Amount 34,859 9,902
Derivative Asset, Estimated Fair Value   1
Derivative Liability, Estimated Fair Value $ 11 $ 13