Name:	spp_EmbeddedDerivativeInitialFairValueOfEmbeddedDerivativeLiabilityBifurcatedFromMezzanineEquity
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount which is transfer from Mezzanine equity.

No definition available.

Name:	spp_TransferToMezzanineEquity
Namespace Prefix:	spp_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959

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Period Type:	instant

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

Name:	us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
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Period Type:	duration

Increase in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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

Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

Name:	us-gaap_EmbeddedDerivativeLossOnEmbeddedDerivative
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.