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Unaudited Condensed Consolidating Balance Sheets of SandRidge Energy, Inc. and Wholly Owned Subsidiary Guarantors and Non-Guarantors (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Current assets |  |  |  |  |  |
Cash and cash equivalents | $ 1,179,644 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | $ 814,663 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | $ 1,308,733 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 309,766 us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable, net | 293,765 us-gaap_AccountsReceivableNetCurrent |  | 349,218 us-gaap_AccountsReceivableNetCurrent |  |  |
Intercompany accounts receivable | 0 us-gaap_DueFromAffiliateCurrent |  | 0 us-gaap_DueFromAffiliateCurrent |  |  |
Derivative contracts | 9,002 us-gaap_DerivativeAssetsCurrent |  | 12,779 us-gaap_DerivativeAssetsCurrent |  |  |
Prepaid expenses | 13,567 us-gaap_PrepaidExpenseCurrent |  | 39,253 us-gaap_PrepaidExpenseCurrent |  |  |
Other current assets | 29,967 us-gaap_OtherAssetsMiscellaneousCurrent |  | 25,910 us-gaap_OtherAssetsMiscellaneousCurrent |  |  |
Total current assets | 1,525,945 us-gaap_AssetsCurrent |  | 1,241,823 us-gaap_AssetsCurrent |  |  |
Property, plant and equipment, net | 5,252,226 sd_TotalPropertyAndEquipmentNet |  | 6,307,675 sd_TotalPropertyAndEquipmentNet |  |  |
Investment in subsidiaries | 0 sd_InvestmentsInSubsidiaries |  | 0 sd_InvestmentsInSubsidiaries |  |  |
Derivative contracts | 18,048 us-gaap_DerivativeAssetsNoncurrent |  | 14,126 us-gaap_DerivativeAssetsNoncurrent |  |  |
Other assets | 82,038 us-gaap_OtherAssetsNoncurrent |  | 121,171 us-gaap_OtherAssetsNoncurrent |  |  |
Total assets | 6,878,257 us-gaap_Assets |  | 7,684,795 us-gaap_Assets |  |  |
Current liabilities |  |  |  |  |  |
Accounts payable and accrued expenses | 590,085 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent | [1] | 812,488 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent |  |  |
Intercompany accounts payable | 0 us-gaap_DueToAffiliateCurrent |  | 0 us-gaap_DueToAffiliateCurrent |  |  |
Derivative contracts | 14,175 us-gaap_DerivativeLiabilitiesCurrent |  | 34,267 us-gaap_DerivativeLiabilitiesCurrent |  |  |
Asset retirement obligations | 0 us-gaap_AssetRetirementObligationCurrent |  | 87,063 us-gaap_AssetRetirementObligationCurrent |  |  |
Other current liabilities | 16,467 us-gaap_OtherLiabilitiesCurrent |  | 0 us-gaap_OtherLiabilitiesCurrent |  |  |
Total current liabilities | 620,727 us-gaap_LiabilitiesCurrent |  | 933,818 us-gaap_LiabilitiesCurrent |  |  |
Investment in subsidiaries | 0 sd_NegativeInvestmentsInSubsidiaries |  | 0 sd_NegativeInvestmentsInSubsidiaries |  |  |
Long-term debt | 3,195,036 us-gaap_LongTermDebtNoncurrent |  | 3,194,907 us-gaap_LongTermDebtNoncurrent |  |  |
Derivative contracts | 0 us-gaap_DerivativeLiabilitiesNoncurrent |  | 20,564 us-gaap_DerivativeLiabilitiesNoncurrent |  |  |
Asset retirement obligations | 53,103 us-gaap_AssetRetirementObligationsNoncurrent |  | 337,054 us-gaap_AssetRetirementObligationsNoncurrent |  |  |
Other long-term obligations | 20,173 us-gaap_OtherLiabilitiesNoncurrent |  | 22,825 us-gaap_OtherLiabilitiesNoncurrent |  |  |
Total liabilities | 3,889,039 us-gaap_Liabilities |  | 4,509,168 us-gaap_Liabilities |  |  |
Equity |  |  |  |  |  |
Total SandRidge Energy, Inc. stockholders’ equity | 1,681,217 us-gaap_StockholdersEquity |  | 1,825,810 us-gaap_StockholdersEquity |  |  |
Noncontrolling interest | 1,308,001 us-gaap_MinorityInterest |  | 1,349,817 us-gaap_MinorityInterest |  |  |
Total equity | 2,989,218 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  | 3,175,627 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  |  |
Total liabilities and equity | 6,878,257 us-gaap_LiabilitiesAndStockholdersEquity |  | 7,684,795 us-gaap_LiabilitiesAndStockholdersEquity |  |  |
Parent |  |  |  |  |  |
Current assets |  |  |  |  |  |
Cash and cash equivalents | 1,170,581 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 805,505 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 1,285,392 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 300,228 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Accounts receivable, net | 0 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Intercompany accounts receivable | 56,521 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 153,325 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Derivative contracts | 0 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Prepaid expenses | 0 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Other current assets | 1,375 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 1,376 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Total current assets | 1,228,477 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 960,206 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Property, plant and equipment, net | 0 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Investment in subsidiaries | 5,960,279 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [2] | 6,009,603 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [3] |  |
Derivative contracts | 0 us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Other assets | 66,550 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 61,923 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Total assets | 7,255,306 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 7,031,732 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Current liabilities |  |  |  |  |  |
Accounts payable and accrued expenses | 157,676 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 207,572 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Intercompany accounts payable | 1,355,653 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 967,365 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Derivative contracts | 0 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Asset retirement obligations |  |  | 0 us-gaap_AssetRetirementObligationCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Other current liabilities | 6,987 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |  |
Total current liabilities | 1,520,316 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 1,174,937 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Investment in subsidiaries | 851,437 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [2] | 828,794 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [3] |  |
Long-term debt | 3,200,938 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 3,200,809 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Derivative contracts | 0 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Asset retirement obligations | 0 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Other long-term obligations | 1,398 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 1,382 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Total liabilities | 5,574,089 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 5,205,922 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Equity |  |  |  |  |  |
Total SandRidge Energy, Inc. stockholders’ equity | 1,681,217 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 1,825,810 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Noncontrolling interest | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Total equity | 1,681,217 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [2] | 1,825,810 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [3] |  |
Total liabilities and equity | 7,255,306 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  | 7,031,732 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |
Guarantors |  |  |  |  |  |
Current assets |  |  |  |  |  |
Cash and cash equivalents | 1,527 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 1,013 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 16,091 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 922 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Accounts receivable, net | 270,092 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 326,345 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Intercompany accounts receivable | 1,351,683 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 982,524 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Derivative contracts | 5,702 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 7,796 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Prepaid expenses | 13,509 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 39,165 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other current assets | 28,470 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 24,410 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total current assets | 1,670,983 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 1,381,253 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Property, plant and equipment, net | 4,130,353 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4] | 5,125,543 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [5] |  |
Investment in subsidiaries | 21,969 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4] | 49,418 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [5] |  |
Derivative contracts | 18,048 us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 12,650 us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other assets | 21,367 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 65,123 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total assets | 5,862,720 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 6,633,987 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Current liabilities |  |  |  |  |  |
Accounts payable and accrued expenses | 429,223 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [1] | 601,074 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Intercompany accounts payable | 72,815 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 181,573 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Derivative contracts | 20,861 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 44,032 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Asset retirement obligations |  |  | 87,063 us-gaap_AssetRetirementObligationCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other current liabilities | 9,480 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |  |  |
Total current liabilities | 532,379 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 913,742 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Investment in subsidiaries | 145,150 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4] | 152,266 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [5] |  |
Long-term debt | 0 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 0 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Derivative contracts | 4,471 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 28,673 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Asset retirement obligations | 53,103 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 337,054 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other long-term obligations | 18,775 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 21,443 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total liabilities | 753,878 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 1,453,178 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Equity |  |  |  |  |  |
Total SandRidge Energy, Inc. stockholders’ equity | 5,108,842 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 5,180,809 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Noncontrolling interest | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total equity | 5,108,842 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [4] | 5,180,809 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | [5] |  |
Total liabilities and equity | 5,862,720 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  | 6,633,987 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Non-Guarantors |  |  |  |  |  |
Current assets |  |  |  |  |  |
Cash and cash equivalents | 7,536 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 8,145 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 7,250 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 8,616 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Accounts receivable, net | 23,673 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 22,873 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Intercompany accounts receivable | 59,095 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 70,107 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Derivative contracts | 9,986 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 14,748 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Prepaid expenses | 58 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 88 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Other current assets | 122 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 124 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Total current assets | 100,470 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 116,085 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Property, plant and equipment, net | 1,121,873 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,182,132 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Investment in subsidiaries | 0 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Derivative contracts | 4,471 us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 9,585 us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Other assets | 23 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 27 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Total assets | 1,226,837 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,307,829 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Current liabilities |  |  |  |  |  |
Accounts payable and accrued expenses | 3,186 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 3,842 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Intercompany accounts payable | 38,831 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 57,018 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Derivative contracts | 0 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Asset retirement obligations |  |  | 0 us-gaap_AssetRetirementObligationCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Other current liabilities | 0 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |  |
Total current liabilities | 42,017 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 60,860 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Investment in subsidiaries | 0 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Long-term debt | 0 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Derivative contracts | 0 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Asset retirement obligations | 0 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Other long-term obligations | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Total liabilities | 42,017 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 60,860 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Equity |  |  |  |  |  |
Total SandRidge Energy, Inc. stockholders’ equity | 1,184,820 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,246,969 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Noncontrolling interest | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Total equity | 1,184,820 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,246,969 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Total liabilities and equity | 1,226,837 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  | 1,307,829 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |
Eliminations |  |  |  |  |  |
Current assets |  |  |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Accounts receivable, net | 0 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Intercompany accounts receivable | (1,467,299)us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (1,205,956)us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Derivative contracts | (6,686)us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (9,765)us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Prepaid expenses | 0 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_PrepaidExpenseCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Other current assets | 0 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Total current assets | (1,473,985)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (1,215,721)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Property, plant and equipment, net | 0 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 sd_TotalPropertyAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Investment in subsidiaries | (5,982,248)sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | [2],[4] | (6,059,021)sd_InvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | [3],[5] |  |
Derivative contracts | (4,471)us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (8,109)us-gaap_DerivativeAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Other assets | (5,902)us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (5,902)us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Total assets | (7,466,606)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (7,288,753)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Current liabilities |  |  |  |  |  |
Accounts payable and accrued expenses | 0 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Intercompany accounts payable | (1,467,299)us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (1,205,956)us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Derivative contracts | (6,686)us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (9,765)us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Asset retirement obligations |  |  | 0 us-gaap_AssetRetirementObligationCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Other current liabilities | 0 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |  |
Total current liabilities | (1,473,985)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (1,215,721)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Investment in subsidiaries | (996,587)sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | [2],[4] | (981,060)sd_NegativeInvestmentsInSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | [3],[5] |  |
Long-term debt | (5,902)us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (5,902)us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Derivative contracts | (4,471)us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (8,109)us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Asset retirement obligations | 0 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Other long-term obligations | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Total liabilities | (2,480,945)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (2,210,792)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Equity |  |  |  |  |  |
Total SandRidge Energy, Inc. stockholders’ equity | (6,293,662)us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (6,427,778)us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Noncontrolling interest | 1,308,001 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | 1,349,817 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
Total equity | (4,985,661)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | (5,077,961)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | [3],[5] |  |
Total liabilities and equity | $ (7,466,606)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  | $ (7,288,753)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |
[1] | Guarantor and Consolidated accounts payable and accrued expenses have been restated to reflect accrual of the CO2 delivery shortfall penalty. See Note 2.
[2] | 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.
[3] | 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.
[4] | 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.
[5] | 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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