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Mineral, Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2022
Property, plant and equipment [abstract]  
Mineral, Property, Plant and Equipment Mineral Property, Plant and Equipment
BuildingsMining Equipment
Mineral
Properties(1)
Projects in
Progress(2)
Equipment & Other AssetsDeposit on ProjectsMine Closure CostsRight-of-Use AssetsTotal
Cost:
Balance, December 31, 2020
$14,882 $92,702 $313,762 $8,322 $8,478 $4,326 $7,536 $8,322 $458,330 
Additions19 7,538 37,719 100,682 1,130 25,696 5,162 10,425 188,371 
Disposals— (1,004)— (1,821)(3)(7)— (575)(3,410)
Transfers4,626 33,217 67,556 (87,204)814 (19,009)— — — 
Foreign exchange(1,175)(7,678)(25,020)(789)(600)(518)(688)(874)(37,342)
Balance, December 31, 2021
18,352 124,775 394,017 19,190 9,819 10,488 12,010 17,298 605,949 
Additions885 62,081 125,004 64,779 8,722 31,984 1,354 11,666 306,475 
Capitalized borrowing costs— — — 6,246 — — — — 6,246 
Disposals(736)(1,917)— (2,241)(9)(2)— (1,541)(6,446)
Transfers2,280 1,512 8,453 26,303 185 (3,650)— — 35,083 
Foreign exchange1,257 8,004 26,213 (2,456)545 454 824 1,026 35,867 
Balance, December 31, 2022
$22,038 $194,455 $553,687 $111,821 $19,262 $39,274 $14,188 $28,449 $983,174 
Accumulated depreciation:
Balance, December 31, 2020
$(3,916)$(15,655)$(90,539)$— $(4,583)$— $(3,315)$(6,620)$(124,628)
Depreciation expense(808)(12,664)(26,475)— (1,489)— (985)(4,869)$(47,290)
Disposals— 913 — — 3 — — 413 $1,329 
Foreign exchange296 1,463 7,125 — 336 — 260 588 $10,068 
Balance, December 31, 2021
(4,428)(25,943)(109,889)— (5,733)— (4,040)(10,488)(160,521)
Depreciation expense(1,047)(16,373)(33,378)— (973)— (914)(7,530)(60,215)
Disposals734 1,672 60 — 70 — — 913 3,449 
Foreign exchange(306)(1,666)(7,352)— (354)— (273)(662)(10,613)
Balance, December 31, 2022
$(5,047)$(42,310)$(150,559)$— $(6,990)$— $(5,227)$(17,767)$(227,900)
Net book value, December 31, 2021
$13,924 $98,832 $284,128 $19,190 $4,086 $10,488 $7,970 $6,810 $445,428 
Net book value, December 31, 2022
$16,991 $152,145 $403,128 $111,821 $12,272 $39,274 $8,961 $10,682 $755,274 
(1)     Mineral properties include $69.4 million (2021 - $67.1 million) of development costs which are not currently being depreciated.
(2)     A total of $35.1 million of exploration and evaluation assets related to the Tucumã Project were reclassified to mineral property, plant and equipment in 2022.