Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Valuation allowance	$ 97,280	$ 53,118
Change in valuation allowance	44,200	12,600
Net deferred tax asset	579	$ 590
Operating loss carryforwards without expiration	154,200
Foreign Tax Authority
Net deferred tax asset	600
Domestic Tax Authority
Net operating loss carryforward	190,700
Domestic Tax Authority | Internal Revenue Service (IRS) | Research Tax Credit Carryforward
Tax credit carryforward	11,500
State and Local Jurisdiction
Net operating loss carryforward	99,400
State and Local Jurisdiction | California Franchise Tax Board | Research Tax Credit Carryforward
Tax credit carryforward	$ 12,100