Acquisitions (Additional Information) (Details) - USD ($)			12 Months Ended
		Nov. 01, 2021	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Business Acquisition [Line Items]
Amortization Of Intangible Assets			$ 7,600,000
Net deferred tax liability			3,095,000
Income tax benefit			(3,480,000)	0	$ 0
Recognized revenue			271,893,000	243,920,000	305,463,000
Net income (loss)			(217,490,000)	(183,619,000)	(250,863,000)
Pro forma revenue	[1]		295,025,000	271,532,000	322,393,000
Class A Common Stock [Member]
Business Acquisition [Line Items]
Net income (loss)			(68,620,000)	$ (37,070,000)	$ (49,094,000)
Lemonaid Merger Agreement [Member]
Business Acquisition [Line Items]
Acquisition costs		$ 9,400,000
Lemonaid Health, Inc. [Member]
Business Acquisition [Line Items]
Stock based awards vested as of acquisition		8,400,000
Aggregate cash consideration for acquisition		101,900,000
Escrow deposit		13,000,000.0
Amortization Expense			7,300,000
Acquired goodwill			$ 351,700,000
Goodwill Recognized, Description			The goodwill recognized upon acquisition is not expected to be deductible for U.S. or U.K. income tax purposes.
Net deferred tax liability		$ 6,600,000
Income tax benefit			$ 3,500,000
Foreign deferred tax liability			3,100
Recognized revenue			19,200,000
Net income (loss)			$ 22,300,000
Lemonaid Health, Inc. [Member] | Selling, General, and Administrative Expenses [Member]
Business Acquisition [Line Items]
Purchase price excludes stock consideration shares issued subject to vest		3,747,027
Lemonaid Health, Inc. [Member] | Selling, General, and Administrative Expenses [Member] | Maximum [Member]
Business Acquisition [Line Items]
Useful lives			7 years
Lemonaid Health, Inc. [Member] | Selling, General, and Administrative Expenses [Member] | Minimum [Member]
Business Acquisition [Line Items]
Useful lives			2 years
Lemonaid Health, Inc. [Member] | Lemonaid Merger Agreement [Member]
Business Acquisition [Line Items]
Purchase consideration		$ 424,700,000
Lemonaid Health, Inc. [Member] | Lemonaid Merger Agreement [Member] | Class A Common Stock [Member]
Business Acquisition [Line Items]
Additional common shares issuable in connection with acquisition		26,825,241
Purchase consideration stock value		$ 314,400,000

[1] As if the acquisition of Lemonaid was consummated on April 1, 2019.