XML 54 R41.htm IDEA: XBRL DOCUMENT v3.22.2.2

ACQUISITIONS AND DIVESTITURES - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	Jul. 06, 2022	Apr. 14, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Acquisition [Line Items]
Gain on sale of assets			$ 629	$ 0	$ 629	$ 0
Disposal Group, Disposed of by Sale | Pitarrilla Project
Business Acquisition [Line Items]
Consideration in cash	$ 35,000
Consideration in equity	$ 25,600
Consideration in equity (in shares)	8,577,380
Share price	$ 2.99
Gain on sale of assets	$ 600
Disposal Group, Disposed of by Sale | Pitarrilla Project | Smelter
Business Acquisition [Line Items]
Royalty fee, percentage	1.25%
Taiga Gold Corp
Business Acquisition [Line Items]
Asset combination, consideration transferred		$ 24,800
Asset acquisition, cash and equivalents		4,700
Asset acquisition, exploration and evaluation assets		27,800
Asset acquisition, deferred tax liability		$ 7,500

X

- Definition

Asset Acquisition, Cash and Equivalents

+ References

No definition available.

+ Details

Name:	ssrm_AssetAcquisitionCashAndEquivalents
Namespace Prefix:	ssrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Asset Acquisition, Deferred Tax Liability

+ References

No definition available.

+ Details

Name:	ssrm_AssetAcquisitionDeferredTaxLiability
Namespace Prefix:	ssrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Asset Acquisition, Exploration and Evaluation Assets

+ References

No definition available.

+ Details

Name:	ssrm_AssetAcquisitionExplorationAndEvaluationAssets
Namespace Prefix:	ssrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Disposal Group, Including Discontinued Operation, Consideration, Equity

+ References

No definition available.

+ Details

Name:	ssrm_DisposalGroupIncludingDiscontinuedOperationConsiderationEquity
Namespace Prefix:	ssrm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Disposal Group, Including Discontinued Operation, Equity Interest Issued or Issuable, Number of Shares

+ References

No definition available.

+ Details

Name:	ssrm_DisposalGroupIncludingDiscontinuedOperationEquityInterestIssuedOrIssuableNumberOfShares
Namespace Prefix:	ssrm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disposal Group, Including Discontinued Operation, Share Price

+ References

No definition available.

+ Details

Name:	ssrm_DisposalGroupIncludingDiscontinuedOperationSharePrice
Namespace Prefix:	ssrm_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Royalty Fee, Percentage

+ References

No definition available.

+ Details

Name:	ssrm_RoyaltyFeePercentage
Namespace Prefix:	ssrm_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 30
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9215-128498

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6829253&loc=SL6831962-166255

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123385561&loc=d3e9135-128495

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 30
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9212-128498

+ Details

Name:	us-gaap_AssetAcquisitionConsiderationTransferred
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=ssrm_PitarrillaProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=ssrm_SmelterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AssetAcquisitionAxis=ssrm_TaigaGoldCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: