ACQUISITIONS - Togo Group - Additional Information (Details) - USD ($) $ in Thousands			2 Months Ended	3 Months Ended	12 Months Ended
	Aug. 01, 2020	Mar. 23, 2020	Mar. 23, 2020	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Business Acquisition [Line Items]
Payments to acquire interest in joint venture					$ 0	$ 0	$ 6,500
Togo Group
Business Acquisition [Line Items]
Payments to acquire interest in joint venture	$ 6,000
Ownership percentage after all transactions		73.50%
Equity, fair value disclosure		$ 47,256	$ 47,256
Preferred stock, dividend rate, percentage		3.00%
Preferred stock, liquidation preference		$ 20,180	20,180
Call option expiration period		4 years
Acquired finite-lived intangible assets, weighted average useful life				8 years
Losses from investment			$ 6,884				$ 8,798