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Condensed Consolidating Financial Information Unaudited Condensed Consolidating Balance Sheets of SandRidge Energy, Inc. and Wholly Owned Subsidiary Guarantors and Non-Guarantors (Parenthetical) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Condensed Financial Statements, Captions |  |  |  |
Investment in subsidiaries | $ 0 sd_InvestmentsInSubsidiaries |  | $ 0 sd_InvestmentsInSubsidiaries |
Negative investment in subsidiaries | 0 sd_NegativeInvestmentsInSubsidiaries |  | 0 sd_NegativeInvestmentsInSubsidiaries |
Property, plant and equipment, net | 5,252,226 sd_TotalPropertyAndEquipmentNet |  | 6,307,675 sd_TotalPropertyAndEquipmentNet |
Total equity | 2,989,218 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  | 3,175,627 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
Parent |  |  |  |
Condensed Financial Statements, Captions |  |  |  |
Investment in subsidiaries | 5,960,279 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [1] | 6,009,603 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [2]
Negative investment in subsidiaries | 851,437 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [1] | 828,794 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [2]
Property, plant and equipment, net | 0 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Total equity | 1,681,217 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [1] | 1,825,810 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [2]
Parent | Condensed Balance Sheet Revision |  |  |  |
Condensed Financial Statements, Captions |  |  |  |
Investment in subsidiaries | (851,437)sd_InvestmentsInSubsidiaries / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | (828,794)sd_InvestmentsInSubsidiaries / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Negative investment in subsidiaries | 851,400 sd_NegativeInvestmentsInSubsidiaries / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 828,800 sd_NegativeInvestmentsInSubsidiaries / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Total equity | (55,600)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | (55,600)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Guarantors |  |  |  |
Condensed Financial Statements, Captions |  |  |  |
Investment in subsidiaries | 21,969 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [3] | 49,418 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4]
Negative investment in subsidiaries | 145,150 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [3] | 152,266 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4]
Property, plant and equipment, net | 4,130,353 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [3] | 5,125,543 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4]
Total equity | 5,108,842 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [3] | 5,180,809 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4]
Guarantors | Condensed Balance Sheet Revision |  |  |  |
Condensed Financial Statements, Captions |  |  |  |
Negative investment in subsidiaries | 145,200 sd_NegativeInvestmentsInSubsidiaries / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 152,300 sd_NegativeInvestmentsInSubsidiaries / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Property, plant and equipment, net | (55,600)sd_TotalPropertyAndEquipmentNet / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | (55,600)sd_TotalPropertyAndEquipmentNet / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Total equity | $ (55,600)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | $ (55,600)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis = sd_CondensedBalanceSheetRevisionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
[1] | Amounts presented as Investment in subsidiaries have been revised to present negative investments in certain subsidiaries, totaling $851.4 million, as liabilities and to present $55.6 million Parent gain on sale of subsidiary with full cost pool assets in 2012 as a reduction to Guarantor full cost pool (property, plant and equipment, net) and a reduction to Parent equity. Gain on sale of subsidiary was previously classified as an adjustment to the consolidated full cost pool through elimination in the condensed consolidating balance sheets. The impact of these revisions was not material to any previously issued financial statements.
[2] | Amounts presented as Investment in subsidiaries have been revised to present negative investments in certain subsidiaries, totaling $828.8 million, as liabilities and to present $55.6 million Parent gain on sale of subsidiary with full cost pool assets in 2012 as a reduction to Guarantor full cost pool (property, plant and equipment, net) and a reduction to Parent equity. Gain on sale of subsidiary was previously classified as an adjustment to the consolidated full cost pool through elimination in the condensed consolidating balance sheets. The impact of these revisions was not material to any previously issued financial statements.
[3] | Amounts presented as Investment in subsidiaries have been revised to present negative investments in certain subsidiaries, totaling $145.2 million, as liabilities. Property, plant and equipment, net has been revised to present $55.6 million Parent gain on sale of subsidiary with full cost pool assets in 2012 as a reduction to the Guarantor full cost pool (property, plant and equipment, net) and a reduction to Guarantor equity. Gain on sale of subsidiary was previously classified as an adjustment to the consolidated full cost pool through elimination in the condensed consolidating balance sheets. The impact of these revisions was not material to any previously issued financial statements.
[4] | Amounts presented as Investment in subsidiaries have been revised to present negative investments in certain subsidiaries, totaling $152.3 million, as liabilities. Property, plant and equipment, net has been revised to present $55.6 million Parent gain on sale of subsidiary with full cost pool assets in 2012 as a reduction to the Guarantor full cost pool (property, plant and equipment, net) and a reduction to Guarantor equity. Gain on sale of subsidiary was previously classified as an adjustment to the consolidated full cost pool through elimination in the condensed consolidating balance sheets. The impact of these revisions was not material to any previously issued financial statements.

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