Income Taxes - Summary of Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022
Deferred tax assets:
Accrued compensation	$ 3,799	$ 2,883
Net operating loss carryforward	533,051	458,733
Deferred revenue	7,690	8,780
Stock-based compensation	13,950	12,063
Tax credits	28,048	28,467
Deferred Tax Assets, Disallowed Interest Expense	10,546	4,723
Lease liabilities	4,320	5,139
Other	5,045	4,516
Gross deferred tax assets	606,449	525,304
Less valuation allowance	(575,557)	(498,996)
Total deferred tax assets	30,892	26,308
Deferred tax liabilities:
Deferred contract acquisition costs	(27,988)	(17,244)
Intangible assets	(1,740)	(6,752)
Right of use assets	(2,862)	(4,673)
Gross deferred tax liabilities	(32,590)	(28,669)
Net deferred tax liabilities	$ (1,698)	$ (2,361)