Derivatives and Hedging Activities - Summary of Balance Sheet Related to Cumulative Basis Adjustment for Fair Value Hedges (Detail) - Loans [Member] - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Derivatives Fair Value [Line Items] | ||
| Hedged Asset, Statement of Financial Position [Extensible Enumeration] | Financing Receivable, after Allowance for Credit Loss | Financing Receivable, after Allowance for Credit Loss |
| Carrying Amount of Hedged Assets/(Liabilities) | $ 49,983 | $ 50,096 |
| Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) | $ (17) | $ 96 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset hedged in fair value hedging relationship. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Indicates line item in statement of financial position that includes hedged asset. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. Excludes cumulative basis adjustment related to foreign exchange risk. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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