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ACCOUNTS RECEIVABLE, NET - Schedule of the Movement in the allowance for Doubtful Accounts (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
ACCOUNTS RECEIVABLE, NET |  |  |  |
Balance at beginning of the year | ¥ 47,962 | $ 6,755 | ¥ 32,265 | ¥ 15,770
Adoption of ASC 326 |  |  |  | 5,684
Provision for expected credit losses | 550,891 | 77,592 | 323,848 | 121,731
Write-offs charged against the allowance for credit losses | (497,391) | (70,056) | (273,286) | (101,202)
Recoveries during the year | (76,719) | (10,806) | (34,865) | (9,718)
Balance at end of the year | ¥ 24,743 | $ 3,485 | ¥ 47,962 | ¥ 32,265

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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-4 + Details
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- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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