Leases (Details) $ in Thousands	1 Months Ended			3 Months Ended	9 Months Ended
	Jun. 30, 2022 USD ($) ft²	May 31, 2022 USD ($) ft²	Apr. 30, 2017 USD ($) ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Decrease in operating lease liabilities					$ 1,111	$ (443)
Sublease
Lessee, Lease, Description [Line Items]
Expects to receive base rent				$ 51,726	51,726
Dublin
Lessee, Lease, Description [Line Items]
Area of leased space | ft²		700	6,100
Decrease in operating lease assets		$ 1,400
Decrease in operating lease liabilities		1,500
Loss on sale of furniture and equipment		$ 100
Lease term		2 years
Option to terminate		true
Lease termination notice period		3 months
Operating lease expenses		$ 400
Annual base rent expenses		$ 200	$ 400
South San Francisco
Lessee, Lease, Description [Line Items]
Area of subleased property | ft²	78,000
South San Francisco | Sublease
Lessee, Lease, Description [Line Items]
Option to terminate sublease	false
Annual base rent expenses	$ 800
Monthly base rent	$ 500
Increase in annual base rent (as a percent)	3.00%
Expects to receive base rent	$ 51,700
Premium component in sublease income	$ 13,500
Percentage of excess sublease income over lease obligations received to be shared with lessor	50.00%
Premium component in sublease income to be shared with lessor	$ 6,700
Percentage of excess sublease income over lease obligations to be retained	50.00%
Expected sublease income				$ 1,600	$ 1,900