Variable Interest Entities - Royalty Trusts - Outstanding Units (Parenthetical) (Details) (Royalty Trusts)	9 Months Ended
Sep. 30, 2014
Royalty Trusts
Variable Interest Entity
Percentage of royalty interest	50.00%
Percentage of royalty interest sold	50.00%

Percentage of Royalty Interest to be sold at Trust terrmination with proceeds distributed to Royalty Trust unitholders

No definition available.

Name:	sd_PercentageOfRoyaltyInterestSoldAtTrustTermination
Namespace Prefix:	sd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration