EARNINGS (LOSS) PER SHARE - Reconciliation of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 4,957	$ (983)
Net loss from discontinued operations	0	(18,511)
Net income (loss)	4,957	(19,494)
Less: Preferred dividends on redeemable preferred stock	(537)	(537)
Net income (loss) attributable to common stockholders	4,420	(20,031)
Dividends on preferred stock	537	0
Net income (loss) attributable to common stockholders - assuming dilution	$ 4,957	$ (20,031)
Continuing operations, basic (in usd per share)	$ 0.07	$ (0.02)
Discontinued operations, basic (in usd per share)	0	(0.31)
Basic net income (loss) per share attributable to common stockholders (in usd per share)	0.07	(0.33)
Continuing operations, diluted (in usd per share)	0.06	(0.02)
Discontinued operations, diluted (in usd per share)	0	(0.31)
Diluted net income (loss) per share attributable to common stockholders (in usd per share)	$ 0.06	$ (0.33)
Weighted average common shares outstanding, basic (in shares)	60,050	60,307
Common stock equivalents - Restricted stock and restricted stock shares (in shares)	523	0
Common stock equivalents - Preferred stock (in shares)	17,857	0
Weighted average common shares outstanding, diluted (in shares)	78,430	60,307