v3.25.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impairments and intangible assets (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Impairment of long lived assets $ 0 $ 0 $ 0 $ 0
Communications infrastructure | Minimum        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Useful life (in years) 15 years   15 years  
Communications infrastructure | Maximum        
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Useful life (in years) 20 years   20 years