Summary of Significant Accounting Policies - Narrative (Details) |
9 Months Ended | |
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Jun. 30, 2026
USD ($)
classOfPortfolioSegment
portfolioSegment
branch
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Sep. 30, 2025
USD ($)
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| Accounting Policies [Abstract] | ||
| Number of offices | branch | 210 | |
| Cash collateral | $ 144,700,000 | $ 118,400,000 |
| Fair value of NAV | 34,901,510 | |
| Remaining unfunded commitment | $ 11,205,846 | |
| Number of portfolio segments for loans held for investment | portfolioSegment | 2 | |
| Number of classes disaggregating the commercial loan portfolio | classOfPortfolioSegment | 5 | |
| Number of classes disaggregating the consumer loan portfolio | classOfPortfolioSegment | 5 |
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- References No definition available.
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- Definition Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number Of Classes Disaggregating The Commercial Loan Portfolio No definition available.
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| X | ||||||||||
- Definition Number Of Classes Disaggregating The Consumer Loan Portfolio No definition available.
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- Definition Number of Offices No definition available.
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- Definition Number Of Portfolio Segments For Loans Held For Investment No definition available.
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