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Prepaid Land Lease Payments - Summary of Prepaid Land Lease Payments (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Disclosure Of Arrangements Involving Legal Form Of Lease [Abstract] |  |
Carrying amount, beginning balance | $ 1,103 | $ 1,105
Recognized lease expense during the year | (38) | (35)
Exchange difference | (53) | 33
Carrying amount, ending balance | 1,012 | 1,103
Current portion included in prepayments | 34 | 36
Non-current portion included in prepaid land lease payments | $ 978 | $ 1,067

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- Definition Current lease prepayments. + References No definition available. + Details
Name: | apwc_CurrentLeasePrepayments
Namespace Prefix: | apwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Lease prepayments. + References No definition available. + Details
Name: | apwc_LeasePrepayments
Namespace Prefix: | apwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Prepaid land lease payment exchange difference. + References No definition available. + Details
Name: | apwc_PrepaidLandLeasePaymentExchangeDifference
Namespace Prefix: | apwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | ifrs-full_DisclosureOfArrangementsInvolvingLegalFormOfLeaseAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of payments on leases and subleases recognised as an expense by the lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 35 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_35_c&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NoncurrentLeasePrepayments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant