v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impairment of long-lived assets (Details) - USD ($)
3 Months Ended 15 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Impairment $ 0 $ 0 $ 0