v3.25.2
CONVERTIBLE NOTES - 2025 Convertible Notes (Details)
$ in Thousands
6 Months Ended
Aug. 19, 2025
Jul. 28, 2025
Jun. 20, 2025
USD ($)
D
Feb. 28, 2025
USD ($)
Feb. 18, 2025
D
Jun. 30, 2025
Jun. 30, 2022
Apr. 28, 2025
CONVERTIBLE NOTES                
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] us-gaap:SecuredOvernightFinancingRateSofrMember us-gaap:SecuredOvernightFinancingRateSofrMember       us-gaap:PrimeRateMember us-gaap:PrimeRateMember  
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        
Consecutive trading days | D     10   10      
2025 Convertible Notes | Ningbo Robotics | Asset Pledged as Collateral                
CONVERTIBLE NOTES                
Equity interest rate               50.00%
2025 Convertible Notes | Geely HK                
CONVERTIBLE NOTES                
Original principal amount | $     $ 119,263 $ 70,000