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Income Tax Expense - Summary of Deferred Tax (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CNY (¥)
Disclosure of deferred tax assets and liabilities [Line Items] |  |  |
Beginning balance | ¥ (192,449) |  |
Ending balance | (198,922) | $ (31,428) | ¥ (192,449)
PRC withholding tax on dividend income [Member] |  |  |
Disclosure of deferred tax assets and liabilities [Line Items] |  |  |
Beginning balance | (103,347) | (16,328) | (113,805)
Provision made to consolidated statement of profit or loss | (29,031) | (4,587) | (16,628)
Utilization | 31,806 | 5,025 | 27,107
Translation differences |  |  | (21)
Ending balance | ¥ (100,572) | $ (15,890) | ¥ (103,347)

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- Definition Disclosure of deferred tax assets and liabilities. + References No definition available. + Details
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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -Subparagraph g -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81_g_ii&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81_g_i&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81&doctype=Standard -URIDate 2016-03-31 + Details
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- Details
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