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Supplemental Information on Oil and Natural Gas Producing Activities - Additional Information (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Reserve Quantities [Line Items] |  |  |  |  |  |
Percentage of proved reserves estimated by the Company | 13.90%sd_PercentageProvedReservesEstimateCompany |  |  |  |  |
Standardized measure of discounted future net cash flows | $ 4,017,611 us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure | [1] | $ 5,840,368 us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure | [1] | $ 5,216,337 us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure | [1]
Oil Reserves |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Change in proved reserves (in MBbls for Oil/MMcf for Natural Gas) |  |  | 67,900 sd_ChangeInProvedReserves / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | 37,600 sd_ChangeInProvedReserves / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |
Revisions of previous estimates (in MBbls for Oil and NGLs/MMcf for Natural Gas) | (13,969)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | (37,394)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | (6,159)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |
Extensions and discoveries (in MBbls for Oil and NGLs/MMcf for Natural Gas) | 40,570 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | 89,656 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | 52,406 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |
Proved developed and undeveloped reserves, production (in MBbls for Oil/MMcf for Natural Gas) | (14,279)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | (15,868)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |  | (9,992)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember |
Natural Gas Reserves |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Change in proved reserves (in MBbls for Oil/MMcf for Natural Gas) |  |  | 60,500 sd_ChangeInProvedReserves / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | 68,600 sd_ChangeInProvedReserves / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |
Revisions of previous estimates (in MBbls for Oil and NGLs/MMcf for Natural Gas) | (53,432)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | (538,214)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | (164,845)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |
Extensions and discoveries (in MBbls for Oil and NGLs/MMcf for Natural Gas) | 359,918 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | 489,302 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | 299,848 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember | [2]
Proved developed and undeveloped reserves, production (in MBbls for Oil/MMcf for Natural Gas) | (103,233)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | (93,549)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |  | (69,306)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember |
Natural Gas Liquids |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Change in proved reserves (in MBbls for Oil/MMcf for Natural Gas) |  |  | 40,900 sd_ChangeInProvedReserves / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  |  |
Revisions of previous estimates (in MBbls for Oil and NGLs/MMcf for Natural Gas) | 3,717 us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  | 15,098 us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  | (3,119)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |
Extensions and discoveries (in MBbls for Oil and NGLs/MMcf for Natural Gas) | 18,686 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  | 27,259 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  | 3,171 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |
Proved developed and undeveloped reserves, production (in MBbls for Oil/MMcf for Natural Gas) | (2,291)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  | (2,094)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |  | (1,838)us-gaap_ProvedDevelopedAndUndevelopedReservesProduction / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasLiquidsReservesMember |
Permian properties and east Texas properties |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Proved reserves, sales of minerals in place (in MMBoe) |  |  |  |  | 122.7 sd_ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlaceBoe / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianpropertiesandeastTexaspropertiesMember |
Tertiary |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Proved reserves, sales of minerals in place (in MMBoe) |  |  | 23.6 sd_ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlaceBoe / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_TertiaryMember |  |  |
Permian Properties |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Proved reserves (in MMBoe) | 198.9 sd_ProvedDevelopedAndUndevelopedReservesNetBoe / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |  |
Proved developed reserves as a percentage of total proved reserves | 55.00%sd_ProvedDevelopedReservesAsPercentageOfTotalProvedReserves / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |  |
Standardized measure of discounted future net cash flows | $ 2,500,000 us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |  |
Mid-Continent and Permian Basin | Oil Reserves |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Revisions of previous estimates (in MBbls for Oil and NGLs/MMcf for Natural Gas) |  |  | (22,300)us-gaap_ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember / us-gaap_StatementGeographicalAxis = sd_MidContinentAndPermianBasinMember |  |  |
Extensions and discoveries (in MBbls for Oil and NGLs/MMcf for Natural Gas) |  |  |  |  | 52,406 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OilReservesMember / us-gaap_StatementGeographicalAxis = sd_MidContinentAndPermianBasinMember |
Mid-Continent and Permian Basin | Natural Gas Reserves |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Extensions and discoveries (in MBbls for Oil and NGLs/MMcf for Natural Gas) |  |  | 489,302 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember / us-gaap_StatementGeographicalAxis = sd_MidContinentAndPermianBasinMember | [2] | 299,848 us-gaap_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_NaturalGasReservesMember / us-gaap_StatementGeographicalAxis = sd_MidContinentAndPermianBasinMember | [2]
Mid-Continent |  |  |  |  |  |
Reserve Quantities [Line Items] |  |  |  |  |  |
Extensions and discoveries (in MMBoe) | 119.2 sd_ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditionsBoe / us-gaap_StatementGeographicalAxis = sd_MidContinentMember |  |  |  |  |
[1] | Includes approximately $781.6 million, $952.7 million and $932.8 million attributable to noncontrolling interests at December 31, 2013, 2012 and 2011 respectively.
[2] | Natural gas reserves are computed at 14.65 pounds per square inch absolute and 60 degrees Fahrenheit.

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