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v3.21.1

Segment information - Summary of Operating Segments (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Earnings and loss information |  |  |
Revenue | $ 1,026,685 | $ 617,823 |
Production costs | 445,183 | 334,839 |
Depreciation and amortization | 246,651 | 153,118 |
Earnings (loss) from mine operations | 334,851 | 129,866 |
Other significant items of income and expense |  |  |
Reversal of impairment | 0 | (96,914) |
Write-down of assets | 38,660 | 6,298 |
Exploration and evaluation expenses | 12,693 | 14,643 |
Income tax expense (recovery) | 79,134 | 39,771 |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 200,474 | 181,103 |
Capitalized interest | 0 | 3,848 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 3,998,493 | 4,088,202 | $ 3,988,476
Goodwill | 92,591 | 92,591 |
Information about assets and liabilities | 4,091,084 | 4,180,793 |
Debt, including current portion | 501,132 | 479,732 |
Turkey |  |  |
Earnings and loss information |  |  |
Revenue | 588,188 | 352,385 |
Production costs | 201,895 | 137,080 |
Depreciation and amortization | 111,403 | 63,949 |
Earnings (loss) from mine operations | 274,890 | 151,356 |
Other significant items of income and expense |  |  |
Reversal of impairment |  | (85,224) |
Write-down of assets | 209 | 105 |
Exploration and evaluation expenses | 2,192 | 2,593 |
Income tax expense (recovery) | 65,815 | 57,518 |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 88,894 | 62,887 |
Capitalized interest |  | 0 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 762,162 | 791,354 |
Goodwill | 0 | 0 |
Information about assets and liabilities | 762,162 | 791,354 |
Debt, including current portion | 0 | 0 |
Canada |  |  |
Earnings and loss information |  |  |
Revenue | 257,267 | 125,282 |
Production costs | 78,309 | 50,733 |
Depreciation and amortization | 83,968 | 47,659 |
Earnings (loss) from mine operations | 94,990 | 26,890 |
Other significant items of income and expense |  |  |
Reversal of impairment |  | 0 |
Write-down of assets | 0 | 0 |
Exploration and evaluation expenses | 2,978 | 1,905 |
Income tax expense (recovery) | 23,122 | (2,727) |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 59,832 | 75,328 |
Capitalized interest |  | 3,848 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 579,399 | 606,274 |
Goodwill | 92,591 | 92,591 |
Information about assets and liabilities | 671,990 | 698,865 |
Debt, including current portion | 0 | 0 |
Greece |  |  |
Earnings and loss information |  |  |
Revenue | 181,230 | 140,156 |
Production costs | 164,979 | 147,026 |
Depreciation and amortization | 51,280 | 41,510 |
Earnings (loss) from mine operations | (35,029) | (48,380) |
Other significant items of income and expense |  |  |
Reversal of impairment |  | 0 |
Write-down of assets | 40,030 | 6,177 |
Exploration and evaluation expenses | 592 | 3,223 |
Income tax expense (recovery) | (8,763) | (14,305) |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 42,638 | 39,349 |
Capitalized interest |  | 0 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 2,027,612 | 2,067,719 |
Goodwill | 0 | 0 |
Information about assets and liabilities | 2,027,612 | 2,067,719 |
Debt, including current portion | 0 | 0 |
Romania |  |  |
Earnings and loss information |  |  |
Revenue | 0 | 0 |
Production costs | 0 | 0 |
Depreciation and amortization | 0 | 0 |
Earnings (loss) from mine operations | 0 | 0 |
Other significant items of income and expense |  |  |
Reversal of impairment |  | 0 |
Write-down of assets | (1,579) | 16 |
Exploration and evaluation expenses | 4,987 | 4,887 |
Income tax expense (recovery) | (6,081) | (1,110) |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 6 | 24 |
Capitalized interest |  | 0 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 414,118 | 415,150 |
Goodwill | 0 | 0 |
Information about assets and liabilities | 414,118 | 415,150 |
Debt, including current portion | 0 | 0 |
Brazil |  |  |
Earnings and loss information |  |  |
Revenue | 0 | 0 |
Production costs | 0 | 0 |
Depreciation and amortization | 0 | 0 |
Earnings (loss) from mine operations | 0 | 0 |
Other significant items of income and expense |  |  |
Reversal of impairment |  | (11,690) |
Write-down of assets | 0 | 0 |
Exploration and evaluation expenses | 199 | 381 |
Income tax expense (recovery) | 5,041 | 249 |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 2,050 | 3,476 |
Capitalized interest |  | 0 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 205,432 | 204,419 |
Goodwill | 0 | 0 |
Information about assets and liabilities | 205,432 | 204,419 |
Debt, including current portion | 0 | 0 |
Other |  |  |
Earnings and loss information |  |  |
Revenue | 0 | 0 |
Production costs | 0 | 0 |
Depreciation and amortization | 0 | 0 |
Earnings (loss) from mine operations | 0 | 0 |
Other significant items of income and expense |  |  |
Reversal of impairment |  | 0 |
Write-down of assets | 0 | 0 |
Exploration and evaluation expenses | 1,745 | 1,654 |
Income tax expense (recovery) | 0 | 146 |
Capital expenditure information |  |  |
Additions to property, plant and equipment during the period | 7,054 | 39 |
Capitalized interest |  | 0 |
Information about assets and liabilities |  |  |
Property, plant and equipment | 9,770 | 3,286 |
Goodwill | 0 | 0 |
Information about assets and liabilities | 9,770 | 3,286 |
Debt, including current portion | $ 501,132 | $ 479,732 |

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