Summary of Significant Accounting Policies - Schedule of Customer Accounting of Segment Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total Revenue	$ 59,239	$ 48,057
Percentage of Revenue	100.00%	100.00%
Therapeutics
Segment Reporting Information [Line Items]
Percentage of Revenue	0.00%	0.00%
Customer C | Consumer And Research Services
Segment Reporting Information [Line Items]
Total Revenue	$ 8,512	$ 5,847
Percentage of Revenue	14.00%	12.00%
Customer B | Consumer And Research Services
Segment Reporting Information [Line Items]
Total Revenue	$ 11,209	$ 11,827
Percentage of Revenue	19.00%	25.00%
Customer E | Therapeutics
Segment Reporting Information [Line Items]
Total Revenue	$ 0	$ 48
Percentage of Revenue	0.00%	100.00%