Summary of Significant Accounting Policies - Schedule of Customer Accounting of Segment Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total Revenue	$ 56,891	$ 55,477	$ 171,334	$ 155,338
Customer C \| Consumer And Research Services
Segment Reporting Information [Line Items]
Total Revenue	$ 9,676	$ 17,451	$ 33,123	$ 31,965
Customer C \| Consumer And Research Services \| Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Percentage of Revenue	17.00%	31.00%	19.00%	21.00%
Customer B \| Consumer And Research Services
Segment Reporting Information [Line Items]
Total Revenue	$ 8,069	$ 8,554	$ 29,281	$ 30,221
Customer B \| Consumer And Research Services \| Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Percentage of Revenue	14.00%	15.00%	17.00%	19.00%
Customer E \| Therapeutics
Segment Reporting Information [Line Items]
Total Revenue	$ 0	$ 0	$ 0	$ 48
Customer E \| Therapeutics \| Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Percentage of Revenue	0.00%	0.00%	0.00%	100.00%

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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