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REVENUES - Disaggregation of Revenue (Details) - Product Concentration Risk - Revenue Benchmark | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Online accommodation reservation services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration Risk, Percentage | 89.00% | 89.00% | 89.00%
Other sources of online travel reservation services and advertising and other revenues | Maximum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration Risk, Percentage | 10.00% | 10.00% | 10.00%

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