Balance Sheet Components - Additional Information (Details) - USD ($)	3 Months Ended			9 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Depreciation and amortization	$ 2,900,000		$ 3,700,000	$ 8,900,000	$ 11,500,000
Impairment to property and equipment	0			0
Capitalized computer software	2,700,000		3,500,000	9,600,000	7,800,000
Capitalized computer software, impairment				500,000
Amortization and impairment of internal-use software	1,900,000			4,374,000	3,214,000
Amortization and impairment of internal use software and stock based compensation			1,100,000		3,600,000
Amortization expense for intangible assets	2,600,000		4,500,000	10,300,000	13,400,000
Impairment of intangible assets	0		9,968,000	0	9,968,000
Goodwill impairment	198,800,000		$ 0	$ 198,800,000	$ 0
Partnerships
Property Plant And Equipment [Line Items]
Impairment charge for U.K partnership asset	$ 10,000,000
Lemonaid Health Limited
Property Plant And Equipment [Line Items]
Internal-use software write-off		$ 1,100,000