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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Loss Carryforwards [Line Items]      
Tax provision $ 24 $ 21  
Income taxes paid, net 0 0  
Increase in valuation allowance 105,016    
Valuation allowance 327,138 222,122  
Valuation allowance to be allocated to additional paid-in capital when released 13,890    
Valuation allowance to be released through continuing operations 313,248    
Unrecognized tax benefits 2,376 1,571 $ 680
Unrecognized tax benefits that would impact effective tax rate 0    
Domestic Tax Jurisdiction      
Operating Loss Carryforwards [Line Items]      
NOL carryforwards 1,224,051 741,178  
NOL subject to expiration 89,051    
NOL with an indefinite carryforward period 1,135,000    
Domestic Tax Jurisdiction | Research Tax Credit Carryforward      
Operating Loss Carryforwards [Line Items]      
Tax credits 3,733 3,733  
Amount federal R&D credits will expire unused 3,733 3,733  
State and Local Jurisdiction      
Operating Loss Carryforwards [Line Items]      
NOL carryforwards 450,059 $ 1,032,728  
NOL subject to expiration 422,893    
NOL with an indefinite carryforward period $ 27,166