STOCKHOLDERS’ EQUITY - Performance RSU Activity (Details) - Performance RSUs	6 Months Ended
	Mar. 31, 2025 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	699,458
Granted (in shares) | shares	1,175,404
Settled (in shares) | shares	0
Canceled (in shares) | shares	(78,810)
Outstanding at end of period (in shares) | shares	1,796,052
Weighted-Average Fair Market Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 12.82
Granted (in dollars per share) | $ / shares	8.70
Settled (in dollars per share) | $ / shares	0
Canceled (in dollars per share) | $ / shares	16.95
Outstanding at end of period (in dollars per share) | $ / shares	$ 9.75