XML 119 R82.htm IDEA: XBRL DOCUMENT
v3.19.1

DEBT AND CREDIT FACILITY - Narrative (Details) - USD ($) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Jul. 06, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Aug. 04, 2015
Investment [Line Items] |  |  |  |  |
Debt | $ 250,729,000 |  | $ 236,358,000 | $ 223,211,000 |
Equity component of convertible notes | 68,347,000 |  | 68,347,000 |  |
Senior Convertible Unsecured Notes |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Debt | $ 265,000,000 |  |  |  |
Debt instrument, interest rate, stated percentage | 2.875% |  |  |  |
Debt conversion, converted instrument, shares issued | 50 |  |  |  |
Debt instrument, convertible, conversion price (in usd per share) | $ 20.00 |  |  |  |
Number of trading days sale price exceeds conversion price | 20 days |  |  |  |
Number of consecutive trading days | 30 days |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger | 130.00% |  |  |  |
Debt instrument, redemption price, percentage | 100.00% |  |  |  |
Debt instrument, fair value disclosure | $ 178,358,000 |  |  |  |
Debt instrument, term | 7 years |  |  |  |
Fair value inputs, discount rate | 8.50% |  |  |  |
Equity component of convertible notes, gross | $ 77,723,000 |  |  |  |
Equity component of convertible notes | 68,347,000 |  |  |  |
Revolving Credit Facility |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Debt |  | $ 10,000,000 |  |  |
Notional amount |  |  |  |  | $ 75,000,000
Borrowing capacity, Accordion feature | $ 25,000,000 |  |  |  |
Line of credit facility, financial letters of credit, percentage | 66.00% |  |  |  |
Line of credit facility, undrawn fees, percentage | 25.00% |  |  |  |
Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.25% |  |  |  |
Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Borrowings, adjustment to interest rate basis | 3.75% |  |  |  |
Letter of Credit |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Debt | $ 8,000,000 |  | $ 7,700,000 |  |

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition A component of equity representing components of convertible instruments classified as equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ReserveOfEquityComponentOfConvertibleInstruments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | invest_InvestmentLineItems
Namespace Prefix: | invest_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Conversion, Converted Instrument, Shares Issued Per One Thousand Principal + References No definition available. + Details
Name: | ssrm_DebtConversionConvertedInstrumentSharesIssuedPerOneThousandPrincipal
Namespace Prefix: | ssrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Convertible, Conversion Price + References No definition available. + Details
Name: | ssrm_DebtInstrumentConvertibleConversionPrice
Namespace Prefix: | ssrm_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger + References No definition available. + Details
Name: | ssrm_DebtInstrumentConvertibleThresholdPercentageofStockPriceTrigger
Namespace Prefix: | ssrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Fair Value Disclosure + References No definition available. + Details
Name: | ssrm_DebtInstrumentFairValueDisclosure
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Redemption Price, Percentage + References No definition available. + Details
Name: | ssrm_DebtInstrumentRedemptionPricePercentage1
Namespace Prefix: | ssrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Term + References No definition available. + Details
Name: | ssrm_DebtInstrumentTerm1
Namespace Prefix: | ssrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair Value Inputs, Discount Rate + References No definition available. + Details
Name: | ssrm_FairValueInputsDiscountRate1
Namespace Prefix: | ssrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line Of Credit Facility, Maximum Borrowing Capacity, Accordion Feature + References No definition available. + Details
Name: | ssrm_LineOfCreditFacilityMaximumBorrowingCapacityAccordionFeature
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line of Credit Facility, Financial Letters of Credit, Percentage + References No definition available. + Details
Name: | ssrm_LineofCreditFacilityFinancialLettersofCreditPercentage
Namespace Prefix: | ssrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Undrawn Fees, Percentage + References No definition available. + Details
Name: | ssrm_LineofCreditFacilityUndrawnFeesPercentage
Namespace Prefix: | ssrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Consecutive Trading Days + References No definition available. + Details
Name: | ssrm_NumberofConsecutiveTradingDays
Namespace Prefix: | ssrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Trading Days Sale Price Exceeds Conversion Price + References No definition available. + Details
Name: | ssrm_NumberofTradingDaysSalePriceExceedsConversionPrice
Namespace Prefix: | ssrm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reserve Of Equity Component Of Convertible Instruments, Gross + References No definition available. + Details
Name: | ssrm_ReserveOfEquityComponentOfConvertibleInstrumentsGross
Namespace Prefix: | ssrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=ssrm_SeniorConvertibleUnsecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=ssrm_RevolvingCreditFacility1Member
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_TypesOfInterestRatesAxis=ssrm_LondonInterbankOfferedRateLIBOR1Member
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: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=ssrm_LetterofCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |