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REVENUES - Disaggregation of Revenue (Details) - Revenue Benchmark - Product Concentration Risk	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Online accommodation reservation services
Disaggregation of Revenue [Line Items]
Concentration risk percentage	89.00%	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%

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- Definition

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