Collaboration and License Agreements - Accord License Agreement (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accord license revenue
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues	$ 0		$ 0	$ 50,000	$ 0
Accord Healthcare, Ltd
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues		$ 50,000
Accord Healthcare, Ltd | Accord license revenue
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Additional milestone payments eligible to receive	$ 90,500			$ 90,500