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Balance Sheet Components (Details 5) - USD ($)
$ in Thousands
Oct. 31, 2020
Jul. 31, 2020
Balance Sheet Related Disclosures [Abstract]    
2021 (remainder of fiscal year) $ 13,642  
2022 11,143  
2023 3,799  
2024 2,379  
2025 1,938  
Thereafter 484  
Net Book Value $ 33,385 $ 39,708