INTANGIBLE ASSETS, NET - Additional information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
INTANGIBLE ASSETS, NET
Amortization expenses	¥ 138,260	$ 19,771	¥ 268,684	¥ 627,146

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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+ Details