Equity - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Equity [Abstract]
Basic (loss)/earnings, Net income	$ (5,695)	$ 3,457
Diluted (loss)/earnings, Net income	$ (5,695)	$ 3,457
Basic (loss)/earnings, shares	13,443	14,083
Effect of dilutive stock awards, shares		218
Diluted (loss)/earnings, shares	13,443	14,301
Basic (loss)/earnings, per shares	$ (0.42)	$ 0.25
Effect of dilutive stock awards, per shares		(0.01)
Diluted (loss)/earnings, per shares	$ (0.42)	$ 0.24