Earnings Per Share - Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator:
Net income	$ 6,000	$ 6,487	$ 13,616	$ 14,698
Denominator:
Basic weighted average shares outstanding	30,388,675	30,605,963	30,497,820	31,243,979
Dilutive impact of stock options, RSUs and RSAs	1,075,786	907,525	1,119,758	949,260
Diluted weighted average shares outstanding	31,464,461	31,513,488	31,617,578	32,193,239
Basic income per common share	$ 0.2	$ 0.21	$ 0.45	$ 0.47
Diluted income per common share	$ 0.19	$ 0.21	$ 0.43	$ 0.46
Stock options, RSUs and RSAs excluded from income per diluted share because their effect would have been anti-dilutive	1,676,121	1,813,106	1,696,121	1,834,550