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Construction Contract - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2013
Construction Contracts [Line Items]
Construction contract revenue	$ 0	$ 0	$ 23,349
Construction contract costs	$ 0	$ 0	23,349
Transmission Expansion Projects
Construction Contracts [Line Items]
Construction contract price				$ 23,300
Construction contract revenue			23,300
Construction contract costs			$ 23,300

X

- Definition

Construction Contracts [Line Items]

+ References

No definition available.

+ Details

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X

- Definition

Contract price per construction agreement, including agreed upon revisions.

+ References

No definition available.

+ Details

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Namespace Prefix:	sd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

The aggregate revenue from building and real estate development, which may include improvements (such as drainage, utilities, grading and subdividing) to a parcel of land, and general contracting services during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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X

- Definition

Costs incurred and are directly related to generating contract revenues.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(e))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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