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Equity Investments (Tables) | 3 Months Ended
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Oct. 31, 2018
Equity Investments [Abstract] |
Summary of carrying value of equity investments |
|  | Carrying Value |
|  | (in thousands) |
Balance, August 1, 2018 |  | $ | 1,883 |
Adoption of change in accounting for equity investments |  |  | 1,213 |
Adjusted balance, August 1, 2018 |  |  | 3,096 |
Adjustment for observable transactions involving a similar investment from the same issuer |  |  | 22 |
Impairments |  |  | — |
Balance, October 31, 2018 |  | $ | 3,118 |
Summary of unrealized gains and losses for all equity investments |
|  | Three Months Ended October 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Net (losses) gains recognized during the period on equity investments |  | $ | (46 | ) |  | $ | 20 |
Less: net gains and losses recognized during the period on equity investments sold during the period |  |  | — |  |  |  | — |
Unrealized (losses) gains recognized during the period on equity investments still held at the reporting date |  | $ | (46 | ) |  | $ | 20 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
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