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Derivative Financial Instruments - Schedule of Notional Amount and Fair Value Derivative Financial Instruments (Detail) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Derivative [Line Items] |  |
Asset derivatives, notional amount | $ 286,493 | $ 337,149
Liability derivatives, notional amount | 33,882 | 3,186
Total asset derivatives | 789 | 1,261
Liability derivatives not designated as hedging instruments | 70 | 20
Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Asset derivatives, notional amount | 259,466 | 260,770
Asset derivatives not designated as hedging instruments | 316 | 644
Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Asset derivatives, notional amount | 27,027 | 76,379
Liability derivatives, notional amount | 33,882 | 3,186
Asset derivatives not designated as hedging instruments | 473 | 617
Liability derivatives not designated as hedging instruments | 70 | 20
Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Asset derivatives, notional amount | 9,466 | 10,770
Asset derivatives designated as hedging instruments | 316 | 644
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] | TBA Mortgage Backed Securities [Member] |  |
Derivative [Line Items] |  |
Asset derivatives, notional amount | 0 | 54,826
Asset derivatives not designated as hedging instruments | 0 | 278
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member] |  |
Derivative [Line Items] |  |
Asset derivatives, notional amount | 23,046 | 21,553
Asset derivatives not designated as hedging instruments | 458 | 339
Other Liabilities [Member] | TBA Mortgage Backed Securities [Member] |  |
Derivative [Line Items] |  |
Liability derivatives not designated as hedging instruments | 70 | 0
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | TBA Mortgage Backed Securities [Member] |  |
Derivative [Line Items] |  |
Liability derivatives, notional amount | 33,882 | 0
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 | 9,466 | 10,770
Asset derivatives designated as hedging instruments | 316 | 644
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] |  |
Derivative [Line Items] |  |
Liability derivatives, notional amount | 0 | 3,186
Liability derivatives not designated as hedging instruments | 0 | 20
Forward Loan Sale Commitments [Member] | Other Assets [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Asset derivatives, notional amount | 3,981 | 0
Asset derivatives not designated as hedging instruments | $ 15 | $ 0

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Data Type: | na
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