Contract Assets - Aggregate Amount of the Transaction Price Allocated to the Unsatisfied Performance Obligations (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Unsatisfied long-term SDI contracts
Expected to be recognized as revenue over 3 years	$ 119,025	$ 143,265

Deferred revenue expected to be recognized over three years.

No definition available.

Name:	apwc_DeferredRevenueExpectedToBeRecognizedOverThreeYears
Namespace Prefix:	apwc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant