XML 116 R80.htm IDEA: XBRL DOCUMENT
v3.25.0.1

RECLAMATION AND REMEDIATION LIABILITIES - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Çöpler Incident |  |  |
Segment Reporting Information [Line Items] |  |  |
Incurred costs | $ 22,500 | $ 272,903 |
Reclamation | Çöpler Incident |  |  |
Segment Reporting Information [Line Items] |  |  |
Changes in estimates |  | 11,200 |
Incurred costs |  | 11,229 |
Reclamation | Çöpler |  |  |
Segment Reporting Information [Line Items] |  |  |
Changes in estimates |  | 13,600 | $ 2,300
Reclamation | Puna |  |  |
Segment Reporting Information [Line Items] |  |  |
Changes in estimates |  | 19,500 | 1,400
Reclamation | Puna | Water management and tailings storage facilities |  |  |
Segment Reporting Information [Line Items] |  |  |
Changes in estimates |  | 14,300 |
Reclamation | Seabee |  |  |
Segment Reporting Information [Line Items] |  |  |
Changes in estimates |  |  | 1,400
Reclamation | Marigold |  |  |
Segment Reporting Information [Line Items] |  |  |
Changes in estimates |  |  | $ (1,100)
Remediation | Çöpler Incident |  |  |
Segment Reporting Information [Line Items] |  |  |
Incurred costs | $ 261,700 | $ 261,674 |

X
- Definition Amount of asset retirement obligations incurred during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
Name: | us-gaap_AssetRetirementObligationLiabilitiesIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
Name: | us-gaap_AssetRetirementObligationRevisionOfEstimate
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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_UnusualOrInfrequentItemAxis=ssrm_CoplerIncidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ssrm_AssetRetirementObligationTypeAxis=ssrm_AssetRetirementObligationReclamationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssrm_PlerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssrm_PunaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=ssrm_WaterManagementAndTailingsStorageFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssrm_SeabeeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssrm_MarigoldMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ssrm_AssetRetirementObligationTypeAxis=ssrm_AssetRetirementObligationRemediationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |