Recently Adopted and Issued Accounting Standards - Additional Information (Details)	3 Months Ended
	Jul. 31, 2021
Accounting Changes And Error Corrections [Abstract]
Accounting Standards Update [Extensible Enumeration]	ASU 2019-12
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date	May 01, 2021
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]	true