v3.26.1
Derivative Financial Instruments - Summary of Location and Fair Value of Derivative Instruments (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Instrument
Dec. 31, 2025
USD ($)
Instrument
Derivatives not designated as hedging instruments, fair value    
Derivative Asset, Fair Value $ 38,198 $ 36,515
Derivative Liability, Fair Value $ 35,857 $ 36,926
Interest Rate Swap Agreements on Loans with Commercial Loan Customers | Not Designated as Hedging Instrument    
Derivatives not designated as hedging instruments, fair value    
Derivative Asset, Number of Instruments | Instrument 58 62
Derivative Asset, Notional Amount $ 614,688 $ 662,325
Derivative Asset, Weighted Average Maturity 3 years 4 months 28 days 3 years 7 months 20 days
Derivative Asset, Fair Value $ 6,191 $ 9,704
Derivative Liability, Number of Instruments Held | Instrument 69 62
Derivative Liability, Notional Amount $ 592,456 $ 504,535
Derivative Liability, Weighted Average Maturity 4 years 11 months 12 days 5 years 3 months 21 days
Derivative Liability, Fair Value $ 35,490 $ 34,558
Interest Rate Swap Agreements on Loans with Third-party Counter Parties | Not Designated as Hedging Instrument    
Derivatives not designated as hedging instruments, fair value    
Derivative Asset, Number of Instruments | Instrument 127 124
Derivative Asset, Notional Amount $ 1,207,144 $ 1,166,859
Derivative Asset, Weighted Average Maturity 4 years 2 months 1 day 4 years 4 months 9 days
Derivative Asset, Fair Value $ 29,299 $ 24,854
Interest Rate Swap Related to AFS Securities | Designated as Hedging Instrument    
Derivatives not designated as hedging instruments, fair value    
Derivative Asset, Number of Instruments | Instrument 11 11
Derivative Asset, Notional Amount $ 12,500 $ 12,500
Derivative Asset, Weighted Average Maturity 6 years 10 days 6 years 3 months 10 days
Derivative Asset, Fair Value $ 878 $ 839
Interest Rate Swap Related to Wholesale Funding | Designated as Hedging Instrument    
Derivatives not designated as hedging instruments, fair value    
Derivative Asset, Number of Instruments | Instrument 42 4
Derivative Asset, Notional Amount $ 439,489 $ 48,400
Derivative Asset, Weighted Average Maturity 3 years 2 months 4 days 2 years 1 month 13 days
Derivative Asset, Fair Value $ 1,830 $ 1,118
Derivative Liability, Number of Instruments Held | Instrument 5 45
Derivative Liability, Notional Amount $ 53,000 $ 449,089
Derivative Liability, Weighted Average Maturity 10 months 13 days 3 years 3 months 14 days
Derivative Liability, Fair Value $ 367 $ 2,368