Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021
Payables and Accruals [Abstract]
Accounts payable to sellers	$ 132,294	$ 123,642
Buyer deposits and prepayments	121,931	105,369
Trade accounts payable	54,876	39,595
Accrued compensation and benefits	47,206	50,688
Taxes payable	6,906	10,953
Accrued insurance	6,658	8,328
Other accrued liabilities	29,163	31,251
Total accounts payable and accrued expenses	$ 399,034	$ 369,826