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Income Taxes - Tax Credits and Carryforwards (Details) $ in Thousands	Dec. 31, 2022 USD ($)
California
Operating Loss Carryforwards [Line Items]
California research credits	$ 52,131
Singapore
Operating Loss Carryforwards [Line Items]
Singapore net operating loss carryforwards	5,724
Federal
Operating Loss Carryforwards [Line Items]
Federal research and development tax credit	26,424
Foreign tax credit carryforwards	995
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 249,087

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Deferred Tax Assets, Tax Credit Carryforwards, Foreign, Subject to Expiration

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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