Long-Term Borrowings - Additional Information (Detail) - USD ($) |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Debt Instrument [Line Items] | ||
| Unused borrowing amount | $ 9,078,214 | |
| FHLB advances | 250,000,000 | $ 250,000,000 |
| Outstanding balances of debentures | $ 283,011 | $ 281,817 |
| Maximum time to defer payment of interest on subordinate debt | 5 years | |
| Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year | 3.89% | |
| Debt, Weighted Average Interest Rate | 0.59% |
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- Definition Maximum time to defer payment of interest on subordinate debt. No definition available.
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Weighted average interest rate of debt outstanding. No definition available.
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- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date. No definition available.
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments, excluding current portion. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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