Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Related parties - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 20, 2021	Jun. 30, 2021	Jun. 20, 2021
Catalent [Member]
Related Party Transaction [Line Items]
Amount billed	$ 700,000		$ 1,500,000
American International Group [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Amount billed		$ 100,000		$ 100,000