Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value Measurements - Fair value convertible notes (Details)

v3.26.1
Fair Value Measurements - Fair value convertible notes (Details) - Convertible Notes Payable - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Convertible Notes Excluding CSI Notes    
Fair Value Measurements    
Beginning balance $ 10,000  
Additions 25,557 $ 10,000
Change in fair value recorded in interest expense $ 20,624  
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Expense  
Amounts settled on DV note $ (3,260)  
Debt extinguishment 2,139  
Ending balance 3,936 $ 10,000
DV Convertible Note    
Fair Value Measurements    
Conversion on DV note (3,100)  
2025 notes and Q3 notes conversions    
Fair Value Measurements    
Conversion on DV note $ (48,024)