Leases and right-of-use assets (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of additional information about leasing activities for lessee

As a lessee, the Company leases various assets including mobile mine equipment, offices 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, 2021	$	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
Additions	—		2,807		2,807

Disposals	—		(178)		(178)
Transfers and other movements	64		(17,649)		(17,585)
Balance at December 31, 2022	$	14,680	$	20,217	$	34,897

Accumulated depreciation
Opening balance at January 1, 2021	$	(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)
Depreciation for the year	(1,321)		(4,198)		(5,519)

Disposals	—		155		155
Transfers and other movements	320		11,770		12,090
Balance at December 31, 2022	$	(4,392)	$	(8,662)	$	(13,054)

Right-of-use assets, net carrying amount at December 31, 2021	$	11,225	$	18,848	$	30,073
Right-of-use assets, net carrying amount at December 31, 2022	$	10,288	$	11,555	$	21,843