XML 103 R72.htm IDEA: XBRL DOCUMENT v3.22.4

Commitments and Contingencies - Additional information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Office Space [Member]
Commitments and Contingencies [Line Items]
Lease term	12 years
Minimum lease payments	$ 25,000
Horizon Copper [Member]
Commitments and Contingencies [Line Items]
Line ​of credit​ maximum ​lending facility	$ 150,000
Lendings, maturity	August 31, 2032
Lendings balance	$ 0
Maximum threshold percentage of equity Interest holding	34.00%
Horizon Copper [Member] | Bottom of Range [member]
Commitments and Contingencies [Line Items]
Lendings, adjustment to interest rate basis	2.00%
Horizon Copper [Member] | Top of Range [member]
Commitments and Contingencies [Line Items]
Lendings, adjustment to interest rate basis	3.50%
Colossus Minerals Inc [Member] | Forecast [Member]
Commitments and Contingencies [Line Items]
Estimated Severance claims	$ 8,000

X

- Definition

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2022-03-24
-Paragraph 86
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_86_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Commitments and contingencies.

+ References

No definition available.

+ Details

Name:	sand_CommitmentsAndContingenciesLineItems
Namespace Prefix:	sand_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lease term.

+ References

No definition available.

+ Details

Name:	sand_LeaseTerm
Namespace Prefix:	sand_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lendings adjustment to interest rate basis.

+ References

No definition available.

+ Details

Name:	sand_LendingsAdjustmentToInterestRateBasis
Namespace Prefix:	sand_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lendings balance.

+ References

No definition available.

+ Details

Name:	sand_LendingsBalance
Namespace Prefix:	sand_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Lendings maturity.

+ References

No definition available.

+ Details

Name:	sand_LendingsMaturity
Namespace Prefix:	sand_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line ​of credit​ maximum ​lending facility

+ References

No definition available.

+ Details

Name:	sand_LineOfCreditMaximumLendingFacility
Namespace Prefix:	sand_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Maximum threshold percentage of equity interest holding.

+ References

No definition available.

+ Details

Name:	sand_MaximumThresholdPercentageOfEquityInterestHolding
Namespace Prefix:	sand_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Minimum lease payments.

+ References

No definition available.

+ Details

Name:	sand_MinimumLeasePayments
Namespace Prefix:	sand_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=sand_OfficeSpaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=sand_HorizonCopperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sand_ColossusMineralsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: