Goodwill - Summary of Changes in Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Apr. 30, 2022	Apr. 30, 2022	Apr. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Beginning balance		$ 64,315
Acquisitions		3,534
Goodwill impairment	$ (67,800)	(67,849)	$ (98,929)
Ending balance			$ 64,315

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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