Stockholders' Equity - RSU Activity (Details) - RSUs	9 Months Ended
	Jun. 30, 2022 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	2,411,267
Granted (in shares) | shares	1,185,481
Settled (in shares) | shares	(838,292)
Canceled (in shares) | shares	(228,480)
Outstanding at end of period (in shares) | shares	2,529,976
Weighted-Average Fair Market Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 9.99
Granted (in dollars per share) | $ / shares	14.80
Settled (in dollars per share) | $ / shares	9.38
Canceled (in dollars per share) | $ / shares	10.90
Outstanding at end of period (in dollars per share) | $ / shares	$ 12.37