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Subsequent Events - Additional Information (Detail) (Royalty Trust Distributions, Royalty Trusts)	0 Months Ended
	Apr. 25, 2013
Royalty Trust Distributions | Royalty Trusts
Subsequent Event [Line Items]
Subsequent event, description	On April 25, 2013, the Royalty Trusts announced quarterly distributions for the three-month period ended March 31, 2013. The following distributions are expected to be paid on May 30, 2013 to holders of record as of the close of business on May 15, 2013.
Expected distribution date	May 30, 2013
Distributions record date	May 15, 2013

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- Definition

Distribution Record Date

+ References

No definition available.

+ Details

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Namespace Prefix:	sd_
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Expected date of distribution from Royalty Trust.

+ References

No definition available.

+ Details

Name:	sd_ExpectedSubsequentDistributionDate
Namespace Prefix:	sd_
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Describes the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 855

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 165

-Paragraph 13

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Period Type:	duration

X

- Details

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Period Type:	duration