Schedule of Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jan. 31, 2022	Jul. 31, 2021	Jan. 31, 2021	Jul. 31, 2020
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	$ 104,268	$ 107,147
Restricted cash and cash equivalents	116,284	119,769
Total cash, cash equivalents, and restricted cash and cash equivalents	$ 220,552	$ 226,916	$ 189,339	$ 201,222