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Related parties transactions - Additional information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 08, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Related party transactions [abstract]
Cash and other compensation		$ 12,800	$ 12,500	$ 10,300
Contract manufacturing revenues from former parent	$ 47,000		47,000	0
Purchases from former parent	19,000		19,000	4,000
Services received, related party transactions	$ 40,000			$ 553,000
Dr. Arthur Cummings [Member]
Related party transactions [abstract]
Cash and other compensation		$ 54,809	$ 84,844

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- Definition

Key Management Personnel Compensation, Cash And Other Compensation

+ References

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- Definition

Revenue From Contract Manufacturing, Related Party Transactions

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X

- Definition

The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]]

+ References

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- Definition

The amount of services received in related party transactions. [Refer: Related parties [member]]

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