Stock-Based Compensation - Schedule of Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs)	9 Months Ended
	Jun. 30, 2022 $ / shares shares
Number of Restricted Stock Units
Outstanding at beginning of period (in shares) | shares	199,919
Granted (in shares) | shares	107,350
Vested (in shares) | shares	(72,017)
Forfeited/canceled (in shares) | shares	(400)
Outstanding at end of period (in shares) | shares	234,852
Weighted Average Grant Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 30.34
Granted (in dollars per share) | $ / shares	24.79
Vested (in dollars per share) | $ / shares	32.68
Forfeited/canceled (in dollars per share) | $ / shares	38.58
Outstanding at end of period (in dollars per share) | $ / shares	$ 26.91