XML 92 R78.htm IDEA: XBRL DOCUMENT v3.20.2
Equity Investments (Details) - Schedule of unrealized gains and losses for all equity investments - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Schedule of unrealized gains and losses for all equity investments [Abstract]    
Net (losses) gains recognized during the period on equity investments $ (336) $ 1,779
Less: net gains and losses recognized during the period on equity investments redeemed during the period
Unrealized (losses) gains recognized during the period on equity investments still held at the reporting date $ (336) $ 1,779