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Equity - Preferred Stock (Details) | Dec. 31, 2014 | Dec. 31, 2013
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Stockholders Equity Note [Line Items] |  |
Shares authorized (in shares) | 50,000,000 us-gaap_PreferredStockSharesAuthorized | 50,000,000 us-gaap_PreferredStockSharesAuthorized
8.5% Convertible perpetual preferred stock |  |
Stockholders Equity Note [Line Items] |  |
Shares oustanding at end of period (in shares) | 2,650,000 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = sd_ConvertibleEightPointFivePercentPerpetualPreferredStockMember | 2,650,000 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = sd_ConvertibleEightPointFivePercentPerpetualPreferredStockMember
6.0% Convertible perpetual preferred stock |  |
Stockholders Equity Note [Line Items] |  |
Shares oustanding at end of period (in shares) | 0 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSixPercentPerpetualPreferredStockMember | 2,000,000 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSixPercentPerpetualPreferredStockMember
7.0% Convertible perpetual preferred stock |  |
Stockholders Equity Note [Line Items] |  |
Shares oustanding at end of period (in shares) | 3,000,000 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSevenPercentPerpetualPreferredStockMember | 3,000,000 us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = sd_ConvertibleSevenPercentPerpetualPreferredStockMember

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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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