v3.26.1
REVENUES - Disaggregation of Revenue (Details) - Revenue Benchmark - Product Concentration Risk
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Online accommodation reservation services        
Disaggregation of Revenue [Line Items]        
Concentration risk percentage 90.00% 89.00% 89.00% 89.00%
Other sources of online travel reservation services or advertising and other revenues | Maximum        
Disaggregation of Revenue [Line Items]        
Concentration risk percentage 10.00% 10.00% 10.00% 10.00%