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Capital Management - Additional Information (Details) | Dec. 31, 2022 CAD ($)
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Top of range |
Disclosure of objectives, policies and processes for managing capital [line items] |
Unencumbered cash | $ 150,000,000.0

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Unencumbered Cash, Leverage Ratio Covenant + References No definition available. + Details
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Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |