Loans - Schedule of Collateral Dependent Loans (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|---|
| Real Estate [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Total collateral dependent loans | $ 24,851 | $ 24,857 | ||||
| Real Estate [Member] | Commercial and Industrial [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Total collateral dependent loans | [1] | 4,411 | 4,411 | |||
| Real Estate [Member] | Commercial Real Estate [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Total collateral dependent loans | [2] | 20,440 | 20,446 | |||
| Blanket Liens [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Total collateral dependent loans | 6,997 | 7,078 | ||||
| Blanket Liens [Member] | Commercial and Industrial [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Total collateral dependent loans | $ 6,997 | $ 7,078 | ||||
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