XML 128 R116.htm IDEA: XBRL DOCUMENT
v3.8.0.1

SUPPLEMENTAL CASH FLOW INFORMATION - Non-cash Investing and Financing Transactions (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Cash Flow Statement [Abstract] |  |
Common shares issued pursuant to the acquisition of Seabee Gold Operation (note 3) | $ 0 | $ (325,202)
Options issued pursuant to the acquisition of Seabee Gold Operation (note 3) | 0 | (4,045)
Marketable securities received for sale of exploration and evaluation assets (note 6) | 992 | 7,329
Deferred consideration received for sale of exploration and evaluation asset | 0 | 829
Marketable securities provided as consideration for exploration and evaluation expenses | 0 | (761)
Transfer of share-based payment reserve upon exercise of stock options | (1,339) | (4,258)
Acquisition of Chinchillas mineral property (note 3) | $ 28,839 | $ 0

X
- Definition Cash Flow Statement [Abstract] + References No definition available. + Details
Name: | ssrm_CashFlowStatementAbstract
Namespace Prefix: | ssrm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Consideration Paid In Marketable Securities For Sale Of Assets + References No definition available. + Details
Name: | ssrm_ConsiderationPaidInMarketableSecuritiesForSaleOfAssets
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Consideration Received In Marketable Securities For Sale Of Assets + References No definition available. + Details
Name: | ssrm_ConsiderationReceivedInMarketableSecuritiesForSaleOfAssets
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Consideration Received In Mineral Property Acquisition + References No definition available. + Details
Name: | ssrm_ConsiderationReceivedInMineralPropertyAcquisition
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of beneficial interest received as consideration for transferring noncash financial asset. Includes, but is not limited to, trade receivable in securitization transaction. + References No definition available. + Details
Name: | ssrm_ConsiderationReceivedforBeneficialInterestObtainedforTransferringFinancialAsset1
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The value of options issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References No definition available. + Details
Name: | ssrm_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedValueAssigned
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Transfer Of Share-Based Payment Reserve Upon Exercise Of Stock Options + References No definition available. + Details
Name: | ssrm_TransferOfShareBasedPaymentReserveUponExerciseOfStockOptions
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The value of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination. + References No definition available. + Details
Name: | ssrm_ValueOfInstrumentsOrInterestsIssuedOrIssuable
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant