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Mineral Properties, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2019
Property, plant and equipment [abstract]  
Disclosure of detailed information about property, plant and equipment
Mineral properties, plant and equipment consist of:
 
 
Mining Properties
 
 
 
 
 
 
Depletable
 
Non-depletable
 
 
 
 
 
 
Reserves
and Resources
 
Reserves
and Resources
 
Exploration
and Evaluation
 
Plant and
Equipment
 
Total
Carrying value
 
 
 
 
 
 
 
 
 
 
As at January 1, 2019
 
 
 
 
 
 
 
 
 
 
Net of accumulated depreciation
 
$
678,489

 
$
73,375

 
$
249,231

 
$
299,907

 
$
1,301,002

Additions
 
152,033

 
42,487

 
549

 
68,664

 
263,733

Tahoe acquisition (Note 8)
 
314,604

 
274,817

 
194,900

 
455,080

 
1,239,401

Disposals
 
(2,461
)
 
(13
)
 
—

 
(2,010
)
 
(4,484
)
Depreciation and amortization
 
(113,067
)
 
—

 
—

 
(140,386
)
 
(253,453
)
Depreciation charge captured in inventory
 
(33,810
)
 
—

 
—

 
—

 
(33,810
)
Impairment charge
 
—

 
(33,245
)
 
(6,805
)
 
—

 
(40,050
)
Transfers
 
(77,598
)
 
(25,872
)
 
13,051

 
90,419

 
—

Closure and decommissioning – changes in estimate (Note 17)
 
32,562

 
—

 
—

 
—

 
32,562

As at December 31, 2019
 
$
950,752

 
$
331,549

 
$
450,926

 
$
771,674

 
$
2,504,901

Cost as at December 31, 2019
 
$
2,429,815

 
$
398,485

 
$
876,859

 
$
1,476,170

 
$
5,181,329

Accumulated depreciation and impairments
 
(1,479,063
)
 
(66,936
)
 
(425,933
)
 
(704,496
)
 
(2,676,428
)
Carrying value – December 31, 2019
 
$
950,752

 
$
331,549

 
$
450,926

 
$
771,674

 
$
2,504,901

 
 
Mining Properties
 
 
 
 
 
 
Depletable
 
Non-depletable
 
 
 
 
 
 
Reserves
and Resources
 
Reserves
and Resources
 
Exploration
and Evaluation
 
Plant and
Equipment
 
Total
Carrying value
 
 
 
 
 
 
 
 
 
 
As at January 1, 2018
 
 
 
 
 
 
 
 
 
 
Net of accumulated depreciation
 
$
766,883

 
$
71,809

 
$
253,128

 
$
244,863

 
$
1,336,683

Additions
 
106,701

 
25,423

 
—

 
16,896

 
149,020

Disposals
 
—

 
(396
)
 
—

 
(937
)
 
(1,333
)
Depreciation and amortization
 
(68,935
)
 
—

 
—

 
(78,354
)
 
(147,289
)
Depreciation charge captured in inventory
 
(12,620
)
 
—

 
—

 
—

 
(12,620
)
Impairment charge
 
(2,144
)
 
(25,113
)
 
—

 
(532
)
 
(27,789
)
Transfers
 
(115,726
)
 
1,652

 
(3,897
)
 
117,971

 
—

Closure and decommissioning – changes in estimate (Note 17)
 
4,330

 
—

 
—

 
—

 
4,330

As at December 31, 2018
 
$
678,489

 
$
73,375

 
$
249,231

 
$
299,907

 
$
1,301,002

Cost as at December 31, 2018
 
$
1,997,880

 
$
104,614

 
$
668,358

 
$
939,993

 
$
3,710,845

Accumulated depreciation and impairments
 
(1,319,391
)
 
(31,239
)
 
(419,127
)
 
(640,086
)
 
(2,409,843
)
Carrying value – December 31, 2018
 
$
678,489

 
$
73,375

 
$
249,231

 
$
299,907

 
$
1,301,002


 
 
 
December 31, 2019
 
December 31, 2018
 
 
Cost
 
Accumulated
Depreciation 
and 
Impairment
 
Carrying
Value
 
Cost
 
Accumulated
Depreciation 
and 
Impairment
 
Carrying
 Value
Huaron, Peru
 
$
215,109

 
$
(126,301
)
 
$
88,808

 
$
207,360

 
$
(114,288
)
 
$
93,072

Morococha, Peru
 
258,862

 
(164,501
)
 
94,361

 
243,603

 
(149,120
)
 
94,483

Shahuindo, Peru (1)
 
498,960

 
(39,668
)
 
459,292

 
—

 
—

 
—

La Arena, Peru (1)
 
112,014

 
(22,853
)
 
89,161

 
—

 
—

 
—

Alamo Dorado, Mexico
 
71,724

 
(71,724
)
 
—

 
126,960

 
(126,960
)
 
—

La Colorada, Mexico
 
305,357

 
(143,232
)
 
162,125

 
301,706

 
(121,940
)
 
179,766

Dolores, Mexico
 
1,608,334

 
(1,091,862
)
 
516,472

 
1,529,751

 
(981,948
)
 
547,803

Manantial Espejo, Argentina
 
371,677

 
(367,901
)
 
3,776

 
367,105

 
(362,293
)
 
4,812

San Vicente, Bolivia
 
143,251

 
(95,360
)
 
47,891

 
137,394

 
(86,663
)
 
50,731

Timmins, Canada (1)
 
292,986

 
(42,672
)
 
250,314

 
—

 
—

 
—

Other
 
27,711

 
(17,485
)
 
10,226

 
23,994

 
(16,265
)
 
7,729

Total
 
$
3,905,985

 
$
(2,183,559
)

$
1,722,426

 
$
2,937,873

 
$
(1,959,477
)
 
$
978,396

 
 
 
 
 
 
 
 
 
 
 
 
 
Land and Non-Producing Properties:
 
 
 
 

 
 

 
 

 
 

 
 

Land
 
$
5,528

 
$
(1,267
)
 
$
4,261

 
$
4,677

 
$
(1,096
)
 
$
3,581

Navidad, Argentina
 
566,577

 
(376,101
)
 
190,476

 
566,577

 
(376,101
)
 
190,476

Escobal, Guatemala (1)
 
249,353

 
—

 
249,353

 
—

 
—

 
—

Timmins, Canada (1)
 
87,747

 
—

 
87,747

 
—

 
—

 
—

Shahuindo, Peru (1)
 
15,586

 
—

 
15,586

 
—

 
—

 
—

La Arena, Peru (1)
 
117,000

 
—

 
117,000

 
—

 
—

 
—

Minefinders, Mexico
 
83,079

 
(36,975
)
 
46,104

 
91,362

 
(36,975
)
 
54,387

La Colorada, Mexico
 
15,544

 
—

 
15,544

 
—

 
—

 
—

Morococha, Peru
 
7,213

 
—

 
7,213

 
9,674

 
—

 
9,674

Projects, Argentina (2)
 
95,851

 
(66,859
)
 
28,992

 
69,774

 
(24,939
)
 
44,835

Other
 
31,866

 
(11,667
)
 
20,199

 
30,908

 
(11,255
)
 
19,653

Total non-producing properties
 
$
1,275,344

 
$
(492,869
)
 
$
782,475

 
$
772,972

 
$
(450,366
)
 
$
322,606

Total mineral properties, plant and equipment
 
$
5,181,329

 
$
(2,676,428
)
 
$
2,504,901


$
3,710,845

 
$
(2,409,843
)
 
$
1,301,002