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Equity Investments (Details) - Schedule of unrealized (losses) gains for all equity investments - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2021 | Jan. 31, 2020
Schedule of unrealized (losses) gains for all equity investments [Abstract] |  |  |  |
Net gains recognized during the period on equity investments | $ 1,307 | $ 383 | $ 387 | $ 409
Less: net gains and losses recognized during the period on equity investments sold during the period |  |  |  |
Unrealized gains recognized during the period on equity investments still held at the reporting date | $ 1,307 | $ 383 | $ 387 | $ 409

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- Definition Amount of recognized gain (loss) net on equity securities (FV-NI). + References No definition available. + Details
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- Definition Amount of recognized gain (loss) net on equity securities which has been sold (FV-NI). + References No definition available. + Details
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- Definition Amount of recognized unrealized gain (loss) net on equity securities held (FV-NI). + References No definition available. + Details
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- References No definition available. + Details
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