XML 421 R80.htm IDEA: XBRL DOCUMENT
v3.22.0.1

FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Narrative (Details) - Measurement Input, Discount Rate - Valuation Technique, Discounted Cash Flow | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Deferred consideration, measurement input | 8.00% | 8.00%
Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Deferred consideration, measurement input | 12.50% | 20.00%

X
- Definition Deferred Consideration Asset, Measurement Input + References No definition available. + Details
Name: | ssrm_DeferredConsiderationAssetMeasurementInput
Namespace Prefix: | ssrm_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |