XML 78 R61.htm IDEA: XBRL DOCUMENT v3.25.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income Taxes [Line Items]    
Effective income tax rate continuing operations 0.00% 0.00%
Current federal tax expense benefit $ 0 $ 0
Current state and local tax expense benefit 0 0
Valuation allowance deferred tax asset change in amount 140,000  
Deferred tax assets operating loss carryforwards not subject to expiration 399,300  
Deferred tax assets operating loss carryforwards domestic 399,300  
Deferred tax assets operating loss carryforwards state and local $ 71,900  
Amortization period foreign R&D costs 15 years  
Amortization period R&D activities 5 years  
Deferred tax liabilities deferred expense capitalized research and development costs $ 40,300  
Expiration Through 2040 [Member]    
Income Taxes [Line Items]    
Deferred tax assets operating loss carryforwards state and local 71,900  
Domestic Country [Member] | Expiration Through 2040 [Member]    
Income Taxes [Line Items]    
Deferred tax assets tax credit carryforwards research 10,500  
Federal [Member]    
Income Taxes [Line Items]    
Current federal tax expense benefit 0 0
State and Local Jurisdiction [Member]    
Income Taxes [Line Items]    
Current state and local tax expense benefit 0 $ 0
State and Local Jurisdiction [Member] | Expiration Through 2035 [Member]    
Income Taxes [Line Items]    
Deferred tax assets tax credit carryforwards research $ 4,400