Commitments and Contingent Liabilities - Additional Information (Detail) - USD ($) |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Loss Contingencies [Line Items] | ||
| Notional Amount Of Performance Standby Letters Of Credit | $ 500,000 | |
| Notional Amount Of Commercial Letters Of Credit | 0 | |
| Notional Amount Of Financial Standby Letters Of Credit | 0 | |
| Financial instrument of credit risk | 300,000 | $ 300,000 |
| Off-Balance-Sheet, Credit Loss, Liability | 7,300,000 | $ 8,200,000 |
| Minimum [Member] | ||
| Loss Contingencies [Line Items] | ||
| Loss Contingency, Estimate of Possible Loss | 0 | |
| Maximum [Member] | ||
| Loss Contingencies [Line Items] | ||
| Loss Contingency, Estimate of Possible Loss | $ 1,000,000 |
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- Definition Notional amount of commercial letters of credit. No definition available.
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- Definition Notional Amount Of Financial Standby Letters Of Credit No definition available.
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- Definition Notional amount of performance standby letters of credit. No definition available.
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- Definition Fair value of commitment subject to concentration of credit or market risk or both. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/disclosureRef
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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