XML 113 R85.htm IDEA: XBRL DOCUMENT
v3.21.1

PROPERTY, PLANT & EQUIPMENT - Disclosure of property, plant & equipment (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | $ 758,006 |
Additions | 78,647 |
Depletion and amortization | 103,469 |
Foreign exchange translation | (3,471) |
Ending balance | 742,619 | $ 758,006
Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 1,247,343 | 1,204,775
Additions | 79,465 | 89,069
Changes in rehabilitation cost asset | 12,906 | (31,695)
Disposals | (7,023) | (6,978)
Foreign exchange translation | (3,471) | (7,828)
Transfers between categories | 0 | 0
Ending balance | 1,329,220 | 1,247,343
Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 489,337 | 383,488
Depletion and amortization | 103,469 | 110,766
Disposals | (6,205) | (4,917)
Ending balance | 586,601 | 489,337
Property acquisition costs [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 111,644 |
Ending balance | 109,895 | 111,644
Property acquisition costs [Member] | Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 111,644 | 99,872
Additions | 0 | 16,240
Changes in rehabilitation cost asset | 0 | 0
Disposals | 0 | 0
Foreign exchange translation | (1,749) | (4,468)
Transfers between categories | 0 | 0
Ending balance | 109,895 | 111,644
Property acquisition costs [Member] | Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 0 | 0
Depletion and amortization | 0 | 0
Disposals | 0 | 0
Ending balance | 0 | 0
Mineral properties [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 156,290 |
Ending balance | 153,417 | 156,290
Mineral properties [Member] | Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 387,404 | 385,504
Additions | 44,454 | 34,750
Changes in rehabilitation cost asset | 12,906 | (31,695)
Disposals | 0 |
Foreign exchange translation | (693) | (1,155)
Transfers between categories | 0 | 0
Ending balance | 444,071 | 387,404
Mineral properties [Member] | Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 231,114 | 160,849
Depletion and amortization | 59,540 | 70,265
Disposals | 0 | 0
Ending balance | 290,654 | 231,114
Plant and equipment [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 490,072 |
Ending balance | 473,981 | 490,072
Plant and equipment [Member] | Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 748,295 | 719,211
Additions | 22,351 | 28,565
Changes in rehabilitation cost asset | 0 | 0
Disposals | (7,023) | (6,978)
Foreign exchange translation | (1,029) | (2,205)
Transfers between categories | 7,334 | 9,702
Ending balance | 769,928 | 748,295
Plant and equipment [Member] | Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 258,223 | 222,639
Depletion and amortization | 43,929 | 40,501
Disposals | (6,205) | (4,917)
Ending balance | 295,947 | 258,223
Construction in progress [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 0 |
Ending balance | 5,326 | 0
Construction in progress [Member] | Cost [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 0 | 188
Additions | 12,660 | 9,514
Changes in rehabilitation cost asset | 0 | 0
Disposals | 0 | 0
Foreign exchange translation |  | 0
Transfers between categories | (7,334) | (9,702)
Ending balance | 5,326 | 0
Construction in progress [Member] | Accumulated depreciation [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Beginning balance | 0 | 0
Depletion and amortization | 0 | 0
Disposals | 0 | 0
Ending balance | $ 0 | $ 0

X
- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_75_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DepreciationPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisposalsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The increase (decrease) in property, plant and equipment resulting from rehabilitation cost asset. + References No definition available. + Details
Name: | tgb_IncreaseDecreaseThroughRehabilitationCostAssetPropertyPlantAndEquipment
Namespace Prefix: | tgb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAndAmortisationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgb_PropertyAcquisitionCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MiningPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |