Related Party Transactions (Details) $ in Thousands		1 Months Ended					12 Months Ended
		Oct. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019	Jan. 31, 2018 USD ($) renewalPeriod shares	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)	Apr. 30, 2020 USD ($)
Related Party Transaction [Line Items]
Deferred costs, sales commissions, amortization period (in years)							5 years
Accounts receivable, net, inclusive of unbilled receivables from related party							$ 35,848	$ 15,180
Deferred revenue, current	[1]						48,854	72,263
Sales and marketing	[2]						173,584	96,991	$ 94,974
Accounts payable, from related party							18,549	56
Costs to obtain and fulfill a contract, expense							5,100	1,200	1,000
Commissions payable to a related party							2,510	3,413
Software Subscription Agreement | Baker Hughes Company
Related Party Transaction [Line Items]
Revenue commitment, fiscal year 2020				$ 46,700
Revenue commitment, fiscal year 2021				53,300
Revenue commitment, fiscal year 2022				75,000
Revenue commitment, fiscal year 2023		$ 85,000		125,000
Revenue commitment, fiscal year 2024		110,000		$ 150,000
Revenue commitment, fiscal year 2025		$ 125,000
Chief Executive Officer (CEO)
Related Party Transaction [Line Items]
Notes receivable						$ 24,500
Notes receivable, term (in years)						5 years
Notes receivable, number of renewal periods | renewalPeriod						4
Notes receivable, renewal period (in years)						1 year
Interest rate						2.18%
Proceeds from notes receivable payment			$ 26,000
Baker Hughes Company | Software Subscription Agreement
Related Party Transaction [Line Items]
Revenue commitment, term (in years)		6 years		5 years	3 years
Sales commissions, recognized as deferred costs		$ 16,000					$ 16,000	8,300
Deferred costs, sales commissions, amortization period (in years)		5 years					5 years
Accounts receivable, net, inclusive of unbilled receivables from related party							$ 35,800	15,200
Deferred revenue, current							100	7,700
Costs of subscription revenue							600	100	0
Sales and marketing							8,200	100	0
Accounts payable, from related party							18,500	100
Deferred costs, sales commissions, prepaid expense and other current assets							4,900	1,700
Deferred costs, sales commissions, prepaid expense and other noncurrent assets							16,100	6,600
Costs to obtain and fulfill a contract, expense							3,300	0	$ 0
Deferred costs, sales commissions, term (in years)					3 years
Sales commissions paid							3,400
Commissions payable to a related party							2,500	3,400
Due to related parties, noncurrent							2,400	4,900
Baker Hughes Company | Software Subscription Agreement | Unbilled Revenues
Related Party Transaction [Line Items]
Accounts receivable, net, inclusive of unbilled receivables from related party							$ 16,500	$ 2,800
Series F Preferred Stock | Chief Executive Officer (CEO)
Related Party Transaction [Line Items]
Stock issued during period (in shares) | shares						1,251,921

[1] Including amounts from a related party of $132 and $7,697 as of April 30, 2022 and 2021, respectively.

[2] Including related party sales and marketing expense of $8,229, $44 and nil for the fiscal years ended April 30, 2022, 2021 and 2020, respectively.