Schedule of Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Fair Value Disclosures [Abstract]
Balance, beginning of period	$ 1,132	$ 2,465	$ 3,825
Purchase of Rafael Holdings, Inc. warrant			354
Exercise of Rafael Holdings, Inc. warrant			(380)
Redemption for Visa mandatory release assessment		(1,230)	(1,870)
Total gains (losses) included in “Other (expense) income, net”	$ 131	$ (103)	$ 536
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other (expense) income, net	Other (expense) income, net	Other (expense) income, net
BALANCE, END OF PERIOD	$ 1,263	$ 1,132	$ 2,465
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the period