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Financial Assets at Fair Value Through Other Comprehensive Income (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
IFRS Statement [Line Items] |  |  |
Capital reduction from equity security investments designated as at FVTOCI | $ 742 | $ 709 |
Equity investments [member] |  |  |
IFRS Statement [Line Items] |  |  |
Capital reduction from equity security investments designated as at FVTOCI | $ 32 | $ 47 | $ 55

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