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Acquisitions and Divestitures - Permian Propertites Disposal - Revenue and Expense Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Disposal, Revenue and Expense Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 346,881 us-gaap_Revenues | $ 394,107 us-gaap_Revenues | $ 374,714 us-gaap_Revenues | $ 443,056 us-gaap_Revenues | $ 465,108 us-gaap_Revenues | $ 493,603 us-gaap_Revenues | $ 512,987 us-gaap_Revenues | $ 511,690 us-gaap_Revenues | $ 1,558,758 us-gaap_Revenues | $ 1,983,388 us-gaap_Revenues |  | $ 1,934,642 us-gaap_Revenues
Direct operating expenses |  |  |  |  |  |  |  |  | 483,889 us-gaap_DirectOperatingCosts | 682,830 us-gaap_DirectOperatingCosts |  | 635,349 us-gaap_DirectOperatingCosts
Permian Properties |  |  |  |  |  |  |  |  |  |  |  |
Disposal, Revenue and Expense Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 68,027 us-gaap_Revenues / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember | [1] | 566,075 us-gaap_Revenues / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember
Direct operating expenses |  |  |  |  |  |  |  |  |  | $ 17,453 us-gaap_DirectOperatingCosts / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember | [1] | $ 130,337 us-gaap_DirectOperatingCosts / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember
[1] | Includes revenues and direct operating expenses through February 26, 2013, the date of sale.

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- Definition The aggregate direct operating costs incurred during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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