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Financial Instruments - Currency risk (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
NTD [Member] | Financial liabilities [Member] |  |
IFRS Statement [Line Items] |  |
Foreign currency | $ 3,450,959 | $ 1,084,594
Exchange rate | 27.68 | 28.48
Functional currency | $ 124,672 | $ 38,083
NTD [Member] | Financial assets [Member] |  |
IFRS Statement [Line Items] |  |
Foreign currency | $ 447,596 | $ 155,418
Exchange rate | 27.68 | 28.48
Functional currency | $ 16,170 | $ 5,457
CNY [Member] | Financial assets [Member] |  |
IFRS Statement [Line Items] |  |
Foreign currency | $ 36,450 | $ 35,630
Exchange rate | 6.3941 | 6.5428
Functional currency | $ 5,701 | $ 5,461
JPY [Member] | Financial liabilities [Member] |  |
IFRS Statement [Line Items] |  |
Foreign currency | $ 1,459,700 | $ 632,215
Exchange rate | 115.0936 | 103.0786
Functional currency | $ 12,683 | $ 6,133

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