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Accounts Receivable, Net (Tables) | 12 Months Ended
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Dec. 31, 2024
Receivables [Abstract] |
Summary of Account Receivable |
|  | As of December 31, |
|  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | US$ |
Accounts receivable |  |  | 165,254 |  |  |  | 197,880 |  |  |  | 27,110 |
Allowance for credit losses |  |  | (38,396 | ) |  |  | (45,867 | ) |  |  | (6,284 | )
|  |  | 126,858 |  |  |  | 152,013 |  |  |  | 20,826 |
Summary of Movement in the Allowances for Doubtful Accounts | The movements in the allowances for doubtful accounts and credit losses were as follows:
|  | As of December 31, |
|  | 2022 |  |  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Balance at the beginning of the year |  |  | 39,166 |  |  |  | 42,914 |  |  |  | 38,396 |  |  |  | 5,260 |
Provisions/(Reversals) |  |  | 3,748 |  |  |  | (4,518 | ) |  |  | 7,471 |  |  |  | 1,024 |
Balance at the end of the year |  |  | 42,914 |  |  |  | 38,396 |  |  |  | 45,867 |  |  |  | 6,284 |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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