Segment Information - Schedule of Customer Accounting of Segment Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Recognized revenue	[1]	$ 49,999	$ 75,659	$ 110,863	$ 140,172
Customer C | Consumer And Research Services | Revenue | Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Recognized revenue	[2],[3]	$ 13,040	$ 17,057	$ 22,751	$ 26,684
Percentage of Revenue	[2],[3]	26.00%	23.00%	21.00%	19.00%
Customer B | Consumer And Research Services | Revenue | Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Recognized revenue	[4]		$ 14,925	$ 11,753	$ 23,190
Percentage of Revenue	[4]		20.00%	11.00%	17.00%

[1] There was no Therapeutics revenue for the three and six months ended September 30, 2023 and 2022.

[2] Customer C is a reseller.

[3] Customer C revenues are primarily in the United States.

[4] Customer B revenues are in the U.K.