Leases and right-of-use assets (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of additional information about leasing activities for lessee

As a lessee, the Company leases various assets including mobile mine equipment, office and properties. These right-of-use assets are presented as property, plant and equipment.


	Right-of-use Land and buildings		Right-of-use Plant and equipment		Total
Cost
Opening balance at January 1, 2020	$	8,107	$	26,400	$	34,507

Additions	6,922		4,372		11,294

Disposals	(474)		(931)		(1,405)
Balance at December 31, 2020	$	14,555	$	29,841	$	44,396
Additions	815		7,513		8,328

Disposals	(754)		(2,117)		(2,871)
Balance at December 31, 2021	$	14,616	$	35,237	$	49,853

Accumulated depreciation
Opening balance at January 1, 2020	$	(1,184)	$	(4,554)	$	(5,738)
Depreciation for the year	(1,200)		(5,926)		(7,126)

Disposals	81		206		287
Balance at December 31, 2020	$	(2,303)	$	(10,274)	$	(12,577)
Depreciation for the year	(1,526)		(6,495)		(8,021)

Disposals	438		380		818
Balance at December 31, 2021	$	(3,391)	$	(16,389)	$	(19,780)

Right-of-use assets, net carrying amount at December 31, 2020	12,252		19,567		31,819
Right-of-use assets, net carrying amount at December 31, 2021	$	11,225	$	18,848	$	30,073