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Subsequent Events - Additional Information (Detail) (Royalty Trust Distributions, Royalty Trusts)	0 Months Ended
	Oct. 24, 2013
Royalty Trust Distributions | Royalty Trusts
Subsequent Event
Subsequent event, description	On October 24, 2013, the Royalty Trusts announced quarterly distributions for the three-month period ended September 30, 2013. The following distributions are expected to be paid on November 29, 2013 to holders of record as of the close of business on November 14, 2013.
Expected distribution date	November 29, 2013
Distributions record date	November 14, 2013

X

- 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 Accounting Standards Codification

-Topic 855

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

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

+ Details

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

X

- Details

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