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RESTRICTED NET ASSETS (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($)
RESTRICTED NET ASSETS |  |
Reserve fund as percentage of registered capital | 50.00% | 50.00%
Minimum | CN | Subsidiaries |  |
RESTRICTED NET ASSETS |  |
Percentage of annual after tax profit to be allocated to reserve fund | 10.00% |
Variable interest entities |  |
RESTRICTED NET ASSETS |  |
Net assets restricted | ¥ 4,084,202 | $ 575,248
Variable interest entities | Minimum | CN |  |
RESTRICTED NET ASSETS |  |
Percentage of annual after tax profit to be allocated to reserve fund | 10.00% |
Statutory funds as a percentage of registered capital | 50.00% |

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- Definition Total assets that cannot be used for operating purposes because of contract or regulatory requirements that are in effect for a period that extends beyond one year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480632/954-210-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480602/954-210-50-2 + Details
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