Summary of Significant Accounting Policies - Schedule of Company Revenue and Adjusted EBITDA by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Segment Revenue
Total Revenue	$ 59,239	$ 48,057
Segment adjusted EBITDA
Total adjusted EBITDA	(27,275)	(19,829)
Net Loss	(42,026)	(35,770)
Adjustments
Interest (income) / expenses, net	(44)	(74)
Other (income) / expense, net	(520)	(878)
Depreciation and Amortization	4,638	5,532
Stock-based compensation expense	9,637	11,361
Total adjusted EBITDA	(27,275)	(19,829)
Consumer And Research Services [Member]
Segment Revenue
Total Revenue	59,239	48,009
Segment adjusted EBITDA
Total adjusted EBITDA	(505)	(4,236)
Therapeutics
Segment Revenue
Total Revenue	0	48
Segment adjusted EBITDA
Total adjusted EBITDA	(18,303)	(9,394)
Unallocated Corporate [Member]
Segment adjusted EBITDA
Total adjusted EBITDA	$ (8,467)	$ (6,199)