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Property, Plant and Equipment - Capitalized Costs of Unproved Properties Excluded from Amortization (Additional Information) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Property, Plant and Equipment [Abstract] |  |  |
Pipe inventory costs, cumulative | $ 34.7 |  |
Pipe inventory costs, period costs | $ 10.5 | $ 6.2 | $ 18.0

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- Definition Pipe inventory costs, cumulative + References No definition available. + Details
Name: | sd_PipeInventoryCostsCumulative
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Pipe inventory costs, period costs + References No definition available. + Details
Name: | sd_PipeInventoryCostsPeriodCosts
Namespace Prefix: | sd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration