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Common Stock and Stockholders' Equity - Summary of Activity Related to RSUs (Details) - 2016 Plan - Restricted Stock Units (RSUs) - $ / shares
1 Months Ended 9 Months Ended
Jul. 31, 2022
Oct. 31, 2022
Number of RSUs Outstanding    
Awarded and unvested, beginning balance (in shares)   2,124,649
Awards granted (in shares) 390,000 5,495,441
Awards vested (in shares)   (962,660)
Awards forfeited (in shares)   (530,542)
Awarded and unvested, ending balance (in shares)   6,126,888
Weighted- Average Grant Date Fair Value    
Awarded and unvested, beginning balance (in dollars per share)   $ 184.56
Awards granted (in dollars per share)   93.34
Awards vested (in dollars per share)   139.33
Awards forfeited (in dollars per share)   155.53
Awarded and unvested, ending balance (in dollars per share)   $ 112.36