XML 141 R104.htm IDEA: XBRL DOCUMENT v3.19.1

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure Of Financial Instruments And Fair Value Measurement [Abstract]
Transfers out of Level 3 of fair value hierarchy, assets	$ 0	$ 2,057

X

- Definition

The amount of transfers of assets out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2018-01-01
-Paragraph 93
-Subparagraph e
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_e_iv&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Disclosure of financial instruments and fair value measurement [Abstract]

+ References

No definition available.

+ Details

Name:	ssrm_DisclosureOfFinancialInstrumentsAndFairValueMeasurementAbstract
Namespace Prefix:	ssrm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration