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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, unless otherwise specified | Total | Convertible Perpetual Preferred Stock | Common Stock | Additional Paid-In Capital | Treasury Stock | Accumulated Deficit | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2010 | $ 1,547,483 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | $ 8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | $ 398 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 4,528,912 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (3,547)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ (2,989,576)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 11,288 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Beginning Balance (in shares) at Dec. 31, 2010 |  |  | 406,360 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Beginning Balance (in shares) at Dec. 31, 2010 |  | 7,650 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Issuance of units by royalty trusts | 917,528 sd_IssuanceOfRoyaltyTrustUnitsValue |  |  |  |  |  | 917,528 sd_IssuanceOfRoyaltyTrustUnitsValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Distributions to noncontrolling interest owners | (60,200)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |  |  |  |  | (60,200)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Issuance of convertible perpetual preferred stock, net (in shares) |  | 0 us-gaap_StockIssuedDuringPeriodSharesOther / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |
Issuance of convertible perpetual preferred stock, net |  | 0 us-gaap_StockIssuedDuringPeriodValueOther / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |
Issuance of convertible perpetual preferred stock, net | (231)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts |  |  | (231)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Issuance of common stock in acquisition | 0 us-gaap_StockIssuedDuringPeriodValueAcquisitions |  |  |  |  |  |
Purchase of treasury stock | (10,834)us-gaap_TreasuryStockValueAcquiredCostMethod |  |  |  | (10,834)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Retirement of treasury stock | 0 us-gaap_TreasuryStockRetiredCostMethodAmount |  |  | (10,834)us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 10,834 us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Stock purchase - retirement plans, net of distributions (in shares) |  |  | (405)sd_TreasuryStockNonqualifiedPlanShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Stock purchase—retirement plans, net of distributions | 568 sd_TreasuryStockNonqualifiedPlanValue |  |  | 3,179 sd_TreasuryStockNonqualifiedPlanValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (2,611)sd_TreasuryStockNonqualifiedPlanValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Stock-based compensation | 47,778 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 47,778 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Stock-based compensation excess tax benefit | 53 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  | 53 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Issuance of restricted stock awards, net of cancellations (in shares) |  |  | 5,998 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Issuance of restricted stock awards, net of cancellations | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  | 1 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (1)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Net (loss) income | 162,388 us-gaap_ProfitLoss |  |  |  |  | 108,065 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 54,323 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Convertible perpetual preferred stock dividends | (55,583)us-gaap_DividendsPreferredStock |  |  |  |  | (55,583)us-gaap_DividendsPreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Ending Balance at Dec. 31, 2011 | 2,548,950 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | 399 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 4,568,856 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (6,158)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (2,937,094)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 922,939 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Ending Balance (in shares) at Dec. 31, 2011 |  | 7,650 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |
Ending Balance (in shares) at Dec. 31, 2011 |  |  | 411,953 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Issuance of units by royalty trusts | 587,086 sd_IssuanceOfRoyaltyTrustUnitsValue |  |  |  |  |  | 587,086 sd_IssuanceOfRoyaltyTrustUnitsValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Sale of royalty trust units | 139,360 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest |  |  | 79,056 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 60,304 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Distributions to noncontrolling interest owners | (181,727)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |  |  |  |  | (181,727)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Issuance of common stock in acquisition (in shares) |  |  | 73,962 us-gaap_StockIssuedDuringPeriodSharesAcquisitions / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Issuance of common stock in acquisition | 542,138 us-gaap_StockIssuedDuringPeriodValueAcquisitions |  | 74 us-gaap_StockIssuedDuringPeriodValueAcquisitions / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 542,064 us-gaap_StockIssuedDuringPeriodValueAcquisitions / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Purchase of treasury stock | (11,312)us-gaap_TreasuryStockValueAcquiredCostMethod |  |  |  | (11,312)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Retirement of treasury stock | 0 us-gaap_TreasuryStockRetiredCostMethodAmount |  |  | (11,312)us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 11,312 us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Stock purchase - retirement plans, net of distributions (in shares) |  |  | (345)sd_TreasuryStockNonqualifiedPlanShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Stock purchase—retirement plans, net of distributions | (298)sd_TreasuryStockNonqualifiedPlanValue |  |  | 2,146 sd_TreasuryStockNonqualifiedPlanValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (2,444)sd_TreasuryStockNonqualifiedPlanValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Stock-based compensation | 47,228 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 47,228 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Stock-based compensation excess tax benefit | (16)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  | (16)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Issuance of restricted stock awards, net of cancellations (in shares) |  |  | 4,789 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Issuance of restricted stock awards, net of cancellations | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  | 3 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (3)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Net (loss) income | 246,571 us-gaap_ProfitLoss |  |  |  |  | 141,571 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 105,000 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Convertible perpetual preferred stock dividends | (55,525)us-gaap_DividendsPreferredStock |  |  |  |  | (55,525)us-gaap_DividendsPreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Ending Balance at Dec. 31, 2012 | 3,862,455 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | 476 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 5,228,019 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (8,602)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | (2,851,048)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 1,493,602 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Ending Balance (in shares) at Dec. 31, 2012 |  | 7,650 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |
Ending Balance (in shares) at Dec. 31, 2012 | 490,359 us-gaap_CommonStockSharesOutstanding |  | 490,359 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Sale of royalty trust units | 28,985 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest |  |  | 7,289 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  | 21,696 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Distributions to noncontrolling interest owners | (206,470)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |  |  |  |  |  | (206,470)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Contributions from noncontrolling interest owners | 1,579 sd_NoncontrollingInterestIncreaseOther |  |  |  |  |  | 1,579 sd_NoncontrollingInterestIncreaseOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Issuance of common stock in acquisition | 0 us-gaap_StockIssuedDuringPeriodValueAcquisitions |  |  |  |  |  |
Purchase of treasury stock | (30,126)us-gaap_TreasuryStockValueAcquiredCostMethod |  |  |  | (30,126)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Retirement of treasury stock | 0 us-gaap_TreasuryStockRetiredCostMethodAmount |  |  | (30,126)us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 30,126 us-gaap_TreasuryStockRetiredCostMethodAmount / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Stock purchase - retirement plans, net of distributions (in shares) |  |  | (99)sd_TreasuryStockNonqualifiedPlanShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Stock purchase—retirement plans, net of distributions | (435)sd_TreasuryStockNonqualifiedPlanValue |  |  | (267)sd_TreasuryStockNonqualifiedPlanValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (168)sd_TreasuryStockNonqualifiedPlanValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Stock-based compensation | 88,397 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 88,397 us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Stock-based compensation excess tax benefit | (4)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation |  |  | (4)us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Payment received on shareholder receivable | 1,250 sd_AdjustmentsToAdditionalPaidInCapitalShareholderReceivablePayments |  |  | 1,250 sd_AdjustmentsToAdditionalPaidInCapitalShareholderReceivablePayments / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Issuance of restricted stock awards, net of cancellations (in shares) |  |  | 30 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Issuance of restricted stock awards, net of cancellations | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  | 7 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (7)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |
Net (loss) income | (514,479)us-gaap_ProfitLoss |  |  |  |  | (553,889)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 39,410 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Convertible perpetual preferred stock dividends | (55,525)us-gaap_DividendsPreferredStock |  |  |  |  | (55,525)us-gaap_DividendsPreferredStock / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
Ending Balance at Dec. 31, 2013 | $ 3,175,627 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | $ 8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember | $ 483 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 5,294,551 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (8,770)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ (3,460,462)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 1,349,817 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Ending Balance (in shares) at Dec. 31, 2013 |  | 7,650 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |  |  |  |  |
Ending Balance (in shares) at Dec. 31, 2013 | 490,290 us-gaap_CommonStockSharesOutstanding |  | 490,290 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |

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