Provisions (Tables)

12 Months Ended

Dec. 31, 2021

Provisions [abstract]

Disclosure of provisions

	Closure and Decommissioning		Litigation		Total
December 31, 2019	$	188,455	$	6,929	$	195,384
Revisions in estimates and obligations incurred	40,857		—		40,857
Charged (credited) to earnings:
-new provisions	—		2,402		2,402
-change in estimate	—		(1,754)		(1,754)
-exchange gains on provisions	—		(569)		(569)
-utilized in the year	—		(165)		(165)
Reclamation expenditures	(2,462)		—		(2,462)
Accretion expense (Note 22)	8,260		—		8,260
December 31, 2020	$	235,110	$	6,843	$	241,953
Revisions in estimates and obligations incurred	6,278		—		6,278
Charged (credited) to earnings:
-new provisions	—		6,376		6,376
-change in estimate	—		(1,801)		(1,801)
-exchange gains on provisions	—		(389)		(389)
-utilized in the period	—		(5,738)		(5,738)
Reclamation expenditures	(5,997)		—		(5,997)
Accretion expense (Note 22)	7,470		—		7,470
December 31, 2021	$	242,861	$	5,291	$	248,152

Maturity analysis of total provisions:	December 31, 2021		December 31, 2020
Current	$	8,041	$	12,066
Non-Current	240,111		229,887
	$	248,152	$	241,953