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BANK AND OTHER BORROWINGS (Tables) | 12 Months Ended
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Dec. 31, 2022
Derivative liability |
Schedule of Bank and Other Borrowings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As at December 31,
​ | ​ | 2021 | ​ | 2022 | ​ | 2022
​ |  | RMB |  | RMB |  | US$
Total bank and other borrowings |  | 2,477,948 |  | 2,984,010 |  | 432,641
Comprised of: |  | ​ |  | ​ |  | ​
Short-term |  | 136,510 |  | 168,601 |  | 24,445
Long-term, current portion |  | 162,842 |  | 343,982 |  | 49,873
​ |  | 299,352 |  | 512,583 |  | 74,318
Long-term, non-current portion |  | 2,178,596 |  | 2,471,427 |  | 358,323
​ |  | 2,477,948 |  | 2,984,010 |  | 432,641
​
Long-term Bank and Other Borrowings [Member] |
Derivative liability |
Schedule of Maturities of Long-Term and Other Debt | ​
​ | ​ | ​ | ​ | ​
​ |  | RMB |  | US$
Within one year |  | 343,982 |  | 49,873
Between one and two years |  | 542,952 |  | 78,721
Between two and three years |  | 380,079 |  | 55,106
Between three and four years |  | 358,615 |  | 51,994
Above four years |  | 1,189,781 |  | 172,502
​ |  | 2,815,409 |  | 408,196
​

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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