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Schedule of Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Oct. 31, 2021
Jul. 31, 2021
Oct. 31, 2020
Jul. 31, 2020
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 114,543 $ 107,147    
Restricted cash and cash equivalents 107,317 119,769    
Total cash, cash equivalents, and restricted cash and cash equivalents $ 221,860 $ 226,916 $ 188,128 $ 201,222