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SCHEDULE OF INVESTMENT (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 CAD ($)
Disclosure of detailed information about investment property [abstract] |
Balance, December 31, 2020 | $ 48
Reallocation of advance | 50
Investment | 392
Share of loss of Premium Nickel | (169)
Total | $ 321

X
- Definition Investment. + References No definition available. + Details
Name: | WSCRF_Investment
Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reallocation of advance. + References No definition available. + Details
Name: | WSCRF_ReallocationOfAdvance
Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share of loss of Premium Nickel. + References No definition available. + Details
Name: | WSCRF_ShareOfLoss
Namespace Prefix: | WSCRF_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries reported in separate financial statements] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2021-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_10&doctype=Standard -URIDate 2021-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant