v3.26.3
CONVERTIBLE NOTES - 2025 Convertible Notes (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 18, 2026
Jun. 20, 2025
Feb. 28, 2025
Jun. 30, 2026
Jun. 30, 2025
Apr. 28, 2025
CONVERTIBLE NOTES            
Repayment of convertible note       $ 128,325 $ 119,263  
2025 Convertible Notes            
CONVERTIBLE NOTES            
Variable interest rate   3.35% 3.35%      
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   us-gaap:SecuredOvernightFinancingRateSofrMember us-gaap:SecuredOvernightFinancingRateSofrMember      
Repayment of convertible note $ 119,263          
2025 Convertible Notes | Ningbo Robotics | Asset Pledged as Collateral            
CONVERTIBLE NOTES            
Equity interest owned by subsidiary (in percent)           50.00%
2025 Convertible Notes | Geely HK            
CONVERTIBLE NOTES            
Aggregate principal amount of loan   $ 119,263 $ 70,000