Subsequent Event - Additional Information (Details) - Innoviva, Inc. - $ / shares	6 Months Ended
Jun. 30, 2022	Jul. 10, 2022
Subsequent Event [Line Items]
Business acquisition date	Jul. 10, 2022
Subsequent Event [Member]
Subsequent Event [Line Items]
Offer price per share of common stock		$ 6.23

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.

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Data Type:	xbrli:stringItemType
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Period Type:	duration