XML 15 R48.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Variable Interest Entities - Royalty Trusts - Assets and Liabilities Included in Unaudited Condensed Consolidated Balance Sheets (Additional Information) (Details) - USD ($) $ in Millions | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Variable Interest Entity |  |
Cumulative full cost ceiling limitation impairment | $ 7,300.0 | $ 3,700.0
Royalty Trusts |  |
Variable Interest Entity |  |
Reserves for expenses | 3.0 | 3.0
Cumulative full cost ceiling limitation impairment | $ 783.5 | $ 42.3

X
- Definition Oil and Gas Property, Cumulative Impairment based on Ceiling Test Calculation. + References No definition available. + Details
Name: | sd_OilAndGasPropertyCumulativeImpairmentBasedOnCeilingTestCalculation
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=sd_RoyaltyTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |