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v3.25.2

Concentrations of Risk - Additional Information (Detail) | Aug. 31, 2025 USD ($)
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Concentration Risk [Line Items] |
Cash balances not federally insured | $ 31,400,000
Maximum [Member] |
Concentration Risk [Line Items] |
Maximum insurance available to depositors under the FDIC's general deposit insurance rules | $ 250,000

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