STOCKHOLDERS’ EQUITY - RSU Activity (Details) - RSUs	6 Months Ended
	Mar. 31, 2024 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	2,188,296
Granted (in shares) | shares	1,136,418
Settled (in shares) | shares	(534,146)
Canceled (in shares) | shares	(116,632)
Outstanding at end of period (in shares) | shares	2,673,936
Weighted-Average Fair Market Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 11.49
Granted (in dollars per share) | $ / shares	11.24
Settled (in dollars per share) | $ / shares	10.98
Canceled (in dollars per share) | $ / shares	11.73
Outstanding at end of period (in dollars per share) | $ / shares	$ 11.47