Equity - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Equity [Abstract]
Basic (loss)/earnings, Net income (loss)	$ 370	$ 4,583	$ (5,325)	$ 8,040
Diluted (loss)/ earnings, Net income (loss)	$ 370	$ 4,583	$ (5,325)	$ 8,040
Basic (loss)/earnings, shares	13,465	14,135	13,454	14,109
Effect of dilutive stock awards, shares	124	213		260
Diluted (loss)/earnings, shares	13,589	14,348	13,454	14,369
Basic (loss)/earnings, per shares	$ 0.03	$ 0.32	$ (0.40)	$ 0.57
Effect of dilutive stock awards, per shares				(0.01)
Diluted (loss)/earnings, per shares	$ 0.03	$ 0.32	$ (0.40)	$ 0.56