Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jul. 31, 2020	Jul. 31, 2019
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common Stock, Shares, Issued (in shares)	83,461,925	82,140,883
Common stock, shares outstanding (in shares)	83,461,925	82,140,883
Accounts receivable, allowance for credit loss	$ 1,276	$ 1,441