Segment information (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of operating segments [abstract]


As at and for the year ended December 31, 2020	Turkey		Canada		Greece		Romania		Brazil		Other		Total

Earnings and loss information
Revenue	$	588,188	$	257,267	$	181,230	$	—	$	—	$	—	$	1,026,685
Production costs	201,895		78,309		164,979		—		—		—		445,183
Depreciation and amortization	111,403		83,968		51,280		—		—		—		246,651
Earnings (loss) from mine operations	$	274,890	$	94,990	$	(35,029)	$	—	$	—	$	—	$	334,851

Other significant items of income and expense

Write-down (reversal) of assets (Note 11)	$	209	$	—	$	40,030	$	(1,579)	$	—	$	—	$	38,660
Exploration and evaluation expenses	2,192		2,978		592		4,987		199		1,745		12,693
Income tax expense (recovery)	65,815		23,122		(8,763)		(6,081)		5,041		—		79,134

Capital expenditure information
Additions to property, plant and equipment during the period (*)	$	88,894	$	59,832	$	42,638	$	6	$	2,050	$	7,054	$	200,474


Information about assets and liabilities
Property, plant and equipment	$	762,162	$	579,399	$	2,027,612	$	414,118	$	205,432	$	9,770	$	3,998,493
Goodwill	—		92,591		—		—		—		—		92,591
	$	762,162	$	671,990	$	2,027,612	$	414,118	$	205,432	$	9,770	$	4,091,084

Debt, including current portion	$	—	$	—	$	—	$	—	$	—	$	501,132	$	501,132


As at and for the year ended December 31, 2019	Turkey		Canada		Greece		Romania		Brazil		Other		Total

Earnings and loss information
Revenue	$	352,385	$	125,282	$	140,156	$	—	$	—	$	—	$	617,823
Production costs	137,080		50,733		147,026		—		—		—		334,839
Depreciation and amortization	63,949		47,659		41,510		—		—		—		153,118
Earnings (loss) from mine operations	$	151,356	$	26,890	$	(48,380)	$	—	$	—	$	—	$	129,866

Other significant items of income and expense
Reversal of impairment (Note 11)	$	(85,224)	$	—	$	—	$	—	$	(11,690)	$	—	$	(96,914)
Write-down of assets	105		—		6,177		16		—		—		6,298
Exploration and evaluation expenses	2,593		1,905		3,223		4,887		381		1,654		14,643
Income tax expense (recovery)	57,518		(2,727)		(14,305)		(1,110)		249		146		39,771

Capital expenditure information
Additions to property, plant and equipment during the period (*)	$	62,887	$	75,328	$	39,349	$	24	$	3,476	$	39	$	181,103
Capitalized interest	—		3,848		—		—		—		—		3,848

Information about assets and liabilities
Property, plant and equipment	$	791,354	$	606,274	$	2,067,719	$	415,150	$	204,419	$	3,286	$	4,088,202
Goodwill	—		92,591		—		—		—		—		92,591
	$	791,354	$	698,865	$	2,067,719	$	415,150	$	204,419	$	3,286	$	4,180,793

Debt	$	—	$	—	$	—	$	—	$	—	$	479,732	$	479,732

* Presented on an accrual basis; net of pre-commercial production proceeds and excludes asset retirement adjustments and right-of-use assets of $9,379 recognized upon the adoption of IFRS 16 on January 1, 2019.