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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Operating Leases
Discount rate	6.40%
Finance right-of-use assets	$ 0.2	$ 0.4
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease liabilities	$ 0.2	$ 0.4
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Headquarters And Laboratory Facilities South San Francisco and San Diego, California, Austin, Texas, Marseille, France and Richmond, Virginia
Operating Leases
Weighted average remaining lease term	3 years 7 months 6 days
Facilities in Marseille, France
Operating Leases
Term of lease	12 years
Annual rent	$ 1.3

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

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Amount, after accumulated amortization, of right-of-use asset from finance lease.

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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