Leases and right-of-use assets (Tables)

12 Months Ended

Dec. 31, 2020

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, 2019	$	—	$	11,345	$	11,345
Initial adoption of IFRS 16	7,555		1,824		9,379
Additions	552		13,463		14,015

Disposals	—		(232)		(232)
Balance at December 31, 2019	$	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

Accumulated Depreciation
Opening balance at January 1, 2019	$	—	$	—	$	—
Depreciation for the year	(1,184)		(4,705)		(5,889)

Disposals	—		151		151
Balance at December 31, 2019	$	(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)

Right-of-use assets, net carrying amount at December 31, 2019	6,923		21,846		28,769
Right-of-use assets, net carrying amount at December 31, 2020	$	12,252	$	19,567	$	31,819