v3.26.3
Revenue information - Disaggregation of revenue (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]    
Total revenues $ 356,682 $ 323,281
Point in time    
Disaggregation of Revenue [Line Items]    
Total revenues 353,274 304,261
Over time    
Disaggregation of Revenue [Line Items]    
Total revenues 3,408 19,020
Sales of goods revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 310,150 251,942
Automotive computing platform    
Disaggregation of Revenue [Line Items]    
Total revenues 258,535 215,680
SoC Core Modules    
Disaggregation of Revenue [Line Items]    
Total revenues 47,909 36,252
Automotive merchandise and other products    
Disaggregation of Revenue [Line Items]    
Total revenues 3,706 10
Software license revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 2,290 26,787
Service revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 44,242 44,552
Automotive computing Platform – Design and development service    
Disaggregation of Revenue [Line Items]    
Total revenues 39,334 23,025
Connectivity service    
Disaggregation of Revenue [Line Items]    
Total revenues 3,408 19,020
Other services    
Disaggregation of Revenue [Line Items]    
Total revenues $ 1,500 $ 2,507