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Variable Interest Entities - Royalty Trusts - Assets and Liabilities Included in Consolidated Balance Sheets (Parenthetical) (Details) (Royalty Trusts, USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Royalty Trusts
Variable Interest Entity [Line Items]
Reserves for future expenses	$ 3.0sd_ReservesForExpenses / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember	$ 3.0sd_ReservesForExpenses / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sd_RoyaltyTrustMember

X

- Definition

Reserves held by the trustee for future general and administrative expenses.

+ References

No definition available.

+ Details

Name:	sd_ReservesForExpenses
Namespace Prefix:	sd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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