XML 109 R81.htm IDEA: XBRL DOCUMENT
v3.21.1

YELLOWHEAD ACQUISITION (Narrative) (Details) - Yellowhead [Member] $ in Thousands, shares in Millions | 1 Months Ended
--- | ---
Feb. 15, 2019 CAD ($) shares
Disclosure of detailed information about business combination [line items] |
Number of share outstanding | shares | 17.3
Percentage of equity interest acquiree | 21.00%
Fair value of other comprehensive income financial assets | $ 3,365
Cumulative tax pools on non-capital losses and resource deductions | $ 57,000

X
- Definition The acquisition-date fair value of equity interest in the acquiree held by the acquirer immediately before the acquisition date in a business combination achieved in stages. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2019-01-01 -Paragraph B64 -Subparagraph p -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B64_p_i&doctype=Appendix&subtype=B -URIDate 2019-03-27 + Details
Name: | ifrs-full_AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Acquisition-date fair value of percentage equity interest in acquiree held by acquirer immediately before acquisition date . + References No definition available. + Details
Name: | tgb_AcquisitionDateFairValueOfPercentageEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate
Namespace Prefix: | tgb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Losses On Cumulative Tax Pools. + References No definition available. + Details
Name: | tgb_CumulativeTaxPools
Namespace Prefix: | tgb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of share outstanding to exchange on acquired. + References No definition available. + Details
Name: | tgb_NumberOfShareOutstandingToExchangeOnAcquired
Namespace Prefix: | tgb_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=tgb_YellowheadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |