v3.26.3
Income Tax - Additional Information (Details) - USD ($)
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Income Tax Disclosure [Line Items]    
Income tax expense $ 0 $ 0
Effective income tax rate 0.00% 0.00%
PRC Tax Administration and Collection Law    
Income Tax Disclosure [Line Items]    
Statutory income tax rate 25.00% 25.00%
Preferential tax rate 15.00% 15.00%