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Other Current Liability - Summary of Onerous Contracts Provisions (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Onerous Contracts Provision [Abstract] |  |
At January 1 | $ 42 | $ 555
Recognized | 218 | 37
Reversed | (25) | (544)
Exchange differences | 3 | (6)
At December 31 | $ 238 | $ 42

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- Definition Onerous contracts provisions exchange differences. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Onerous contracts provisions recognized. + References No definition available. + Details
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Namespace Prefix: | apwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Onerous contracts provisions reversed. + References No definition available. + Details
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Namespace Prefix: | apwc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition The amount of provision for onerous contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2019-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&anchor=para_66&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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