Net Income per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net income	$ 7,869	$ 1,193	$ 23,083	$ 19,188
Allocation of earnings to participating securities	(72)	(11)	(209)	(167)
Numerator for basic EPS - Net income available to common stockholders	7,797	1,182	22,874	19,021
Dilutive effect to participating securities	2	2	2	6
Numerator for diluted EPS	$ 7,799	$ 1,184	$ 22,876	$ 19,027
Denominator:
Weighted-average common shares outstanding - basic	15,979,590	16,688,646	16,139,059	16,898,391
Effect of dilutive shares	506,128	569,782	200,071	625,861
Weighted-average common shares outstanding - diluted	16,485,718	17,258,428	16,339,130	17,524,252
Net income per share - basic (in dollars per share)	$ 0.49	$ 0.07	$ 1.42	$ 1.12
Net income per share - diluted (in dollars per share)	$ 0.48	$ 0.07	$ 1.40	$ 1.08