v3.26.1
Derivative Financial Instruments - Schedule of Notional Amount and Fair Value Derivative Financial Instruments (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Asset derivatives, notional amount $ 295,148 $ 286,493
Total asset derivatives 1,198 789
Liability derivatives, notional amount 57,368 33,882
Total liability derivatives 78 70
Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 258,798 259,466
Asset derivatives designated as hedging instruments 394 316
Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 36,350 27,027
Asset derivatives not designated as hedging instruments 804 473
Liability derivatives, notional amount 57,368 33,882
Liability derivatives not designated as hedging instruments 78 70
Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 8,798 9,466
Asset derivatives designated as hedging instruments 394 316
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 250,000 250,000
Asset derivatives designated as hedging instruments 0 0
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 36,350 23,046
Asset derivatives not designated as hedging instruments 804 458
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Liability derivatives, notional amount 55,584 33,882
Liability derivatives not designated as hedging instruments 77 70
Interest Rate Swap Contracts [Member] | Other Assets [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Hedged Commercial Loans [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 8,798 9,466
Asset derivatives designated as hedging instruments 394 316
Interest Rate Swap Contracts [Member] | Other Assets [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Hedged Commercial Loans Federal Home Loan Bank [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 250,000 250,000
Asset derivatives designated as hedging instruments 0 0
Forward Loan Sale Commitments [Member] | Other Assets [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Asset derivatives, notional amount 0 3,981
Asset derivatives not designated as hedging instruments 0 15
Forward Loan Sale Commitments [Member] | Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]    
Derivative [Line Items]    
Liability derivatives, notional amount 1,784 0
Liability derivatives not designated as hedging instruments $ 1 $ 0