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Fair Value Measurements (Details) - Schedule of changes in the fair value of the assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2022 | Jul. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |
Balance, beginning of period | $ 5,268 | $ 7,510
Liquidation of Hedge Fund Investments |  | (7,000)
Total (loss) gain included in earnings | (504) | 4,758
Balance, end of period | $ 4,764 | $ 5,268

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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. + References No definition available. + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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