STOCKHOLDERS’ EQUITY - RSU Activity (Details) - RSUs	9 Months Ended
	Jun. 30, 2024 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	2,188,296
Granted (in shares) | shares	1,278,764
Settled (in shares) | shares	(670,167)
Canceled (in shares) | shares	(411,547)
Outstanding at end of period (in shares) | shares	2,385,346
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	11.36
Settled (in dollars per share) | $ / shares	11.13
Canceled (in dollars per share) | $ / shares	12.16
Outstanding at end of period (in dollars per share) | $ / shares	$ 11.38