XML 85 R54.htm IDEA: XBRL DOCUMENT
v3.22.4

Trade and Other Payables - Summary of Trade and Other Payables (Parenthetical) (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Trade and Other Payables [Line Items] |  |
Other payables | $ 9,667 | $ 1,017
Horizon Copper Corp [Member] |  |
Trade and Other Payables [Line Items] |  |
Other payables | $ 8,300 |

X
- Definition Amounts payable that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_OtherPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=sand_HorizonCopperCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |