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Income Taxes - Components of income tax expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Current tax expense (recovery) |  |
Recognized in profit or loss in current year | $ 99,013 | $ 95,219
Change in current tax expense estimated for prior years | (658) | (3,090)
Current tax expense (income) and adjustments for current tax of prior periods | 98,355 | 92,129
Deferred tax expense (recovery) |  |
Deferred tax recovery recognized in the current year | 14,667 | (13,079)
Adjustments recognized in the current year with respect to prior years | 433 | (5,003)
Benefit from previously unrecognized losses, and other temporary differences | (42,379) | 0
Decrease in deferred tax liabilities due to tax impact of NRV charge to inventory | 4,481 | (2,779)
Deferred tax expense | (22,798) | (20,861)
Income taxes expense | $ 75,557 | $ 71,268

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- Definition Adjustments of tax expense (income) recognised in the period for the deferred tax of prior periods. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 80 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_80&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 80 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_80_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of current tax expense (income) and adjustments for the current tax of prior periods. [Refer: Current tax expense (income); Adjustments for current tax of prior periods] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 80 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_80&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of deferred tax expense arising from the write-down, or reversal of a previous write-down, of a deferred tax asset. [Refer: Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 80 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_80_g&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph g -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_g_ii&doctype=Standard -URIDate 2020-01-01 + Details
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