STOCKHOLDERS’ EQUITY - RSU Activity (Details) - RSUs	6 Months Ended
	Mar. 31, 2025 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	2,453,630
Granted (in shares) | shares	1,354,743
Settled (in shares) | shares	(703,540)
Canceled (in shares) | shares	(98,579)
Outstanding at end of period (in shares) | shares	3,006,254
Weighted-Average Fair Market Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 11.25
Granted (in dollars per share) | $ / shares	9.01
Settled (in dollars per share) | $ / shares	11.44
Canceled (in dollars per share) | $ / shares	11.49
Outstanding at end of period (in dollars per share) | $ / shares	$ 10.19