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Divestitures - Gulf Properties Disposal - Revenue and Expense Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Disposal, Revenue and Expense Information    
Revenues $ 215,308us-gaap_Revenues $ 443,056us-gaap_Revenues
Expenses 1,303,764us-gaap_CostsAndExpenses 525,386us-gaap_CostsAndExpenses
Gulf Properties    
Disposal, Revenue and Expense Information    
Revenues   90,920us-gaap_Revenues
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_GulfPropertiesMember		 [1]
Expenses   $ 63,674us-gaap_CostsAndExpenses
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= sd_GulfPropertiesMember		 [1]
[1] Includes revenues and expenses through February 25, 2014, the date of the sale.