XML 62 R38.htm IDEA: XBRL DOCUMENT v2.4.1.9

Derivative Instruments - Gain Loss on Derivative Instruments (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Shares of Kinross	180XPL_SharesDerivative	130XPL_SharesDerivative
Proceeds from sale of call	$ 84XPL_ProceedsFromSaleOfDerivativeInstrument	$ 36XPL_ProceedsFromSaleOfDerivativeInstrument
Gain on derivative instrument	82us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	29us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
Ending liability balance	$ 2us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities	$ 7us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities

X

- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The increase (decrease) during the period in the net carrying value of derivative instruments reported as assets and liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer).

+ References

No definition available.

+ Details

Name:	us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	XPL_ProceedsFromSaleOfDerivativeInstrument
Namespace Prefix:	XPL_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	XPL_SharesDerivative
Namespace Prefix:	XPL_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration