Subsequent Events - Additional Information (Details)	Nov. 05, 2020
Collaboration Agreement with LG Chem Life Sciences \| LG Chem Life Sciences \| Subsequent Event
Subsequent Event [Line Items]
Agreement extended expiration date	Apr. 30, 2021

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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