XML 121 R84.htm IDEA: XBRL DOCUMENT v3.19.1

SHARE CAPITAL AND SHARE-BASED PAYMENTS - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018 CAD ($) $ / shares	Dec. 31, 2017 CAD ($) $ / shares	Dec. 31, 2018 USD ($)	Dec. 31, 2018 CAD ($) $ / shares	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CAD ($) $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum percentage of options authorized to be issued through incentive plan	6.50%
Maximum term options granted	7 years
Percentage of incentive stock options to issued and outstanding common share capital			2.20%	2.20%	2.50%	2.50%
Aggregate intrinsic value of vested share options			$ 11,898		$ 4,076
Weighted average fair value of stock options granted				$ 5.06		$ 5.97
Weighted average share price at date of grant	$ 11.84	$ 12.50
Weighted average share price at date of exercise of stock options (C$ per share) | $ / shares	$ 14.13	$ 13.50
Stock options
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period	3 years
Deferred Share Units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Weighted average fair value at measurement date, other equity instruments granted				$ 12.49		$ 12.95
Weighted average fair value (C$ per unit) | $ / shares				$ 16.50		$ 11.07
Liabilities from share-based payment transactions			6,455		5,372
Restricted Share Units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Weighted average fair value at measurement date, other equity instruments granted				$ 11.47		$ 14.06
Fair value of units settled (C$ per unit) | $ / shares	$ 12.33	13.98
Weighted average fair value (C$ per unit) | $ / shares				$ 16.50		$ 11.07
Liabilities from share-based payment transactions			2,949		3,339
Performance Share Units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Weighted average fair value at measurement date, other equity instruments granted				$ 10.72		$ 12.62
Fair value of units settled (C$ per unit) | $ / shares	$ 23.09	$ 13.97
Weighted average fair value (C$ per unit) | $ / shares				$ 26.76		$ 9.47
Liabilities from share-based payment transactions			$ 7,230		$ 1,299
Vesting period	3 years
Minimum
Disclosure of terms and conditions of share-based payment arrangement [line items]
Exercise price, share options granted	$ 11.07	$ 12.01
Minimum | Performance Share Units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting rights, percentage	0.00%
Maximum
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum term options granted	10 years
Exercise price, share options granted	$ 13.39	$ 14.12
Maximum | Performance Share Units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting rights, percentage	200.00%

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The exercise price of share options granted.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_ExercisePriceShareOptionsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 51
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_51_b_i&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_ii&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_b&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

Intrinsic Value Of Outstanding Share Options

+ References

No definition available.

+ Details

Name:	ssrm_IntrinsicValueOfOutstandingShareOptions
Namespace Prefix:	ssrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Maximum Percentage Of Awards Authorized To Be Issued Through Share-Based Incentive Plan

+ References

No definition available.

+ Details

Name:	ssrm_MaximumPercentageOfAwardsAuthorizedToBeIssuedThroughShareBasedIncentivePlan
Namespace Prefix:	ssrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage Of Incentive Stock Options To Issued And Outstanding Common Share Capital

+ References

No definition available.

+ Details

Name:	ssrm_PercentageOfIncentiveStockOptionsToIssuedAndOutstandingCommonShareCapital
Namespace Prefix:	ssrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Rights, Percentage

+ References

No definition available.

+ Details

Name:	ssrm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix:	ssrm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Vesting Period

+ References

No definition available.

+ Details

Name:	ssrm_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriod
Namespace Prefix:	ssrm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of Share Options Granted

+ References

No definition available.

+ Details

Name:	ssrm_TermOfShareOptionsGranted
Namespace Prefix:	ssrm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted Average Fair Value At Period End, Other Equity Instruments Granted

+ References

No definition available.

+ Details

Name:	ssrm_WeightedAverageFairValueAtPeriodEndOtherEquityInstrumentsGranted
Namespace Prefix:	ssrm_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Weighted Average Fair Value At Settlement Date, Equity Instruments Other Than Options, Settled In Period

+ References

No definition available.

+ Details

Name:	ssrm_WeightedAverageFairValueAtSettlementDateEquityInstrumentsOtherThanOptionsSettledInPeriod
Namespace Prefix:	ssrm_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted Average Price Of Share Options At The Date Of Exercise In Share-Based Payment Arrangement

+ References

No definition available.

+ Details

Name:	ssrm_WeightedAveragePriceOfShareOptionsAtTheDateOfExerciseInShareBasedPaymentArrangement
Namespace Prefix:	ssrm_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ssrm_EmployeeStockOption1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ssrm_DeferredShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ssrm_RestrictedShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ssrm_PerformanceShareUnitsMember
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: