Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.20.2
Commitments and Contingencies - Additional Information (Details) - Sublease Agreement - Five Prime Therapeutics, Inc. (the “Sublessor”)
$ in Millions
Sep. 03, 2020
USD ($)
ft²
Loss Contingencies [Line Items]  
Area of Sublease Premises 115,466
Lease expiration Date Dec. 31, 2027
Aggregate estimated base rent payments due, sublease | $ $ 47.7
Lease base rent abatement | $ $ 5.2
Initial Premises  
Loss Contingencies [Line Items]  
Area of Sublease Premises 85,755
Expansion Premises  
Loss Contingencies [Line Items]  
Area of Sublease Premises 29,711