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Accounts Payable and Accrued Liabilities (Details) $ in Millions | Sep. 30, 2022 CAD ($)
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Disclosure Of Accrued Expenses And Other Liabilities Text Block Abstract |
Accrued expenses | $ 30.0

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- Definition The amount of current accrued expenses and other current liabilities. [Refer: Accruals; Other current liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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