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Prepaid Operating Leases - Summary of Prepaid Operating Leases (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2017 USD ($)
Disclosure of detailed information about arrangements involving legal form of lease [Line Items] |  |  |  |  |
Beginning balance | ¥ 392,182 |  |  |  |
Current | 12,546 |  | ¥ 12,546 |  | $ 1,982
Charge for the year | 12,366 | $ 1,954 | 12,819 | ¥ 13,433 |
Non-current | 367,270 |  | 379,636 |  | $ 58,026
Ending balance | 379,816 | 60,008 | 392,182 |  |
Cost [Member] |  |  |  |  |
Disclosure of detailed information about arrangements involving legal form of lease [Line Items] |  |  |  |  |
Beginning balance | 529,577 | 83,669 | 529,577 |  |
Ending balance | 0 | 0 | 529,577 | 529,577 |
Accumulated amortization [Member] |  |  |  |  |
Disclosure of detailed information about arrangements involving legal form of lease [Line Items] |  |  |  |  |
Beginning balance | 137,395 | 21,707 | 124,576 |  |
Charge for the year | 12,366 | 1,954 | 12,819 |  |
Ending balance | ¥ 149,761 | $ 23,661 | ¥ 137,395 | ¥ 124,576 |

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- Definition Amortization of prepaid lease payments. + References No definition available. + Details
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- Definition Current lease prepayments. + References No definition available. + Details
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- Definition Prepaid operating lease payments paid for land use rights. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of non-current prepayments for leases. [Refer: Non-current prepayments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_55&doctype=Standard -URIDate 2016-03-31 + Details
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- Details
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- Details
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