XML 126 R98.htm IDEA: XBRL DOCUMENT
v3.21.1

EQUITY - Disclosure of Equity (Details) Share in Thousands |  | 12 Months Ended
--- | --- | ---
Nov. 11, 2020 shares | Dec. 31, 2020 Share shares | Dec. 31, 2019 Share shares
Equity [abstract] |  |  |
Common shares outstanding beginning balance |  | 246,194,000 | 228,431,000
Issued to acquire Yellowhead |  |  | 17,300,000
Common shares issued | 34,322,138 | 34,322,000 |
Exercise of share options | Share |  | 1,599 | 463
Common shares outstanding ending balance |  | 282,115,000 | 246,194,000

X
- References No definition available. + Details
Name: | ifrs-full_EquityAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options exercised in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45_b_iv&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Increase decrease through acquisition of subsidiary shares. + References No definition available. + Details
Name: | tgb_IncreaseDecreaseThroughAcquisitionOfSubsidiaryShares
Namespace Prefix: | tgb_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration