Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Tax Contingency [Line Items]
Cash paid for income taxes	$ 14	$ 0
Deferred tax liabilities, net	(907)	0
Valuation allowance	537,852	$ 457,738
Net operating loss carryforwards, no expiration	1,508,600
Federal
Income Tax Contingency [Line Items]
Net operating loss carryforwards	1,589,600
Net operating loss carryforwards, subject to expiration	81,000
Foreign Tax Jurisdiction
Income Tax Contingency [Line Items]
Net operating loss carryforwards	58,000
Changes in State Valuation Allowance
Income Tax Contingency [Line Items]
Net operating loss carryforwards, subject to expiration	1,494,300
Changes in State Valuation Allowance | Research Tax Credit Carryforward
Income Tax Contingency [Line Items]
Tax credit carryforward	$ 4,200