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Derivatives - Offsetting Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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Assets |  |
Derivative assets, gross amounts | $ 30,803 us-gaap_DerivativeFairValueOfDerivativeAsset | $ 50,274 us-gaap_DerivativeFairValueOfDerivativeAsset
Derivative assets, gross amounts offset | (3,753)us-gaap_DerivativeAssetFairValueGrossLiability | (23,369)us-gaap_DerivativeAssetFairValueGrossLiability
Derivative assets, current | 9,002 us-gaap_DerivativeAssetsCurrent | 12,779 us-gaap_DerivativeAssetsCurrent
Derivative assets, noncurrent | 18,048 us-gaap_DerivativeAssetsNoncurrent | 14,126 us-gaap_DerivativeAssetsNoncurrent
Derivative assets, amounts net of offset | 27,050 us-gaap_DerivativeAssets | 26,905 us-gaap_DerivativeAssets
Derivative assets, financial collateral | 0 us-gaap_DerivativeCollateralObligationToReturnSecurities | 0 us-gaap_DerivativeCollateralObligationToReturnSecurities
Derivative assets, net amount | 27,050 us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral | 26,905 us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
Liabilities |  |
Derivative liabilities, gross amounts | 17,928 us-gaap_DerivativeFairValueOfDerivativeLiability | 78,200 us-gaap_DerivativeFairValueOfDerivativeLiability
Derivative liabilities, gross amounts offset | (3,753)us-gaap_DerivativeLiabilityFairValueGrossAsset | (23,369)us-gaap_DerivativeLiabilityFairValueGrossAsset
Derivative liabilities, current | 14,175 us-gaap_DerivativeLiabilitiesCurrent | 34,267 us-gaap_DerivativeLiabilitiesCurrent
Derivative liabilities, noncurrent | 0 us-gaap_DerivativeLiabilitiesNoncurrent | 20,564 us-gaap_DerivativeLiabilitiesNoncurrent
Derivative liabilities, amounts net of offset | 14,175 us-gaap_DerivativeLiabilities | 54,831 us-gaap_DerivativeLiabilities
Derivative liabilities, financial collateral | (14,175)us-gaap_DerivativeCollateralRightToReclaimSecurities | (54,831)us-gaap_DerivativeCollateralRightToReclaimSecurities
Derivative liabilities, net amount | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
Current assets |  |
Assets |  |
Derivative assets, gross amounts | 12,755 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember | 18,368 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember
Derivative assets, gross amounts offset | (3,753)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember | (5,589)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember
Derivative assets, financial collateral | 0 us-gaap_DerivativeCollateralObligationToReturnSecurities / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember | 0 us-gaap_DerivativeCollateralObligationToReturnSecurities / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember
Derivative assets, net amount | 9,002 us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember | 12,779 us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_CurrentAssetsMember
Noncurrent assets |  |
Assets |  |
Derivative assets, gross amounts | 18,048 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember | 31,906 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember
Derivative assets, gross amounts offset | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember | (17,780)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember
Derivative assets, financial collateral | 0 us-gaap_DerivativeCollateralObligationToReturnSecurities / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember | 0 us-gaap_DerivativeCollateralObligationToReturnSecurities / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember
Derivative assets, net amount | 18,048 us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember | 14,126 us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentAssetsMember
Current liabilities |  |
Liabilities |  |
Derivative liabilities, gross amounts | 17,928 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember | 39,856 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember
Derivative liabilities, gross amounts offset | (3,753)us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember | (5,589)us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember
Derivative liabilities, financial collateral | (14,175)us-gaap_DerivativeCollateralRightToReclaimSecurities / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember | (34,267)us-gaap_DerivativeCollateralRightToReclaimSecurities / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember
Derivative liabilities, net amount | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember | 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_CurrentLiabilitiesMember
Noncurrent liabilities |  |
Liabilities |  |
Derivative liabilities, gross amounts |  | 38,344 us-gaap_DerivativeFairValueOfDerivativeLiability / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentLiabilitiesMember
Derivative liabilities, gross amounts offset |  | (17,780)us-gaap_DerivativeLiabilityFairValueGrossAsset / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentLiabilitiesMember
Derivative liabilities, financial collateral |  | (20,564)us-gaap_DerivativeCollateralRightToReclaimSecurities / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentLiabilitiesMember
Derivative liabilities, net amount |  | $ 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral / us-gaap_BalanceSheetLocationAxis = sd_NoncurrentLiabilitiesMember

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 + Details
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- Definition Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226016-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 + Details
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