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Subsequent Events - Royalty Trust Distributions (Details) (Royalty Trust Distributions, USD $) In Thousands, unless otherwise specified | Apr. 25, 2013
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Royalty Trusts |
Subsequent Event [Line Items] |
Total distribution | $ 68,457
Amount to be distributed to third-party unitholders | 47,468
Mississippian Trust I |
Subsequent Event [Line Items] |
Total distribution | 15,909
Amount to be distributed to third-party unitholders | 12,087
Permian Trust |
Subsequent Event [Line Items] |
Total distribution | 24,787
Amount to be distributed to third-party unitholders | 18,688
Mississippian Trust II |
Subsequent Event [Line Items] |
Total distribution | 27,761
Amount to be distributed to third-party unitholders | $ 16,693

X
- Definition Distribution Declared + References No definition available. + Details
Name: | sd_DistributionDeclared
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Distribution declared from Trust to third-party unitholders. + References No definition available. + Details
Name: | sd_DistributionFromTrustToThirdPartyUnitHolders
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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