Summary of Significant Accounting Policies - Schedule of Investments in Held to Maturity Securities (Details) - USD ($) $ in Thousands	Oct. 31, 2025	Jul. 31, 2025
Accounting Policies [Abstract]
Amortized Cost	$ 9,861	$ 2,008,539
Gross Unrealized Gains	123	15,575
Investment in held to maturity securities, fair value	$ 9,984	$ 2,024,114

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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