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Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Debt Instrument    
Senior credit facility $ 175,000us-gaap_LineOfCredit $ 0us-gaap_LineOfCredit
Debt 3,370,578us-gaap_LongTermDebt 3,195,436us-gaap_LongTermDebt
Less: current maturities of long-term debt 0us-gaap_LongTermDebtCurrent 0us-gaap_LongTermDebtCurrent
Long-term debt 3,370,578us-gaap_LongTermDebtNoncurrent 3,195,436us-gaap_LongTermDebtNoncurrent
8.75% Senior Notes due 2020, net of $4,420 and $4,598 discount, respectively    
Debt Instrument    
Debt 445,580us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member
[1] 445,402us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member
[1]
7.5% Senior Notes due 2021, including premium of $3,372 and $3,486, respectively    
Debt Instrument    
Debt 1,178,372us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member
[2] 1,178,486us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member
[2]
8.125% Senior Notes due 2022    
Debt Instrument    
Debt 750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
7.5% Senior Notes due 2023, net of $3,374 and $3,452 discount, respectively    
Debt Instrument    
Debt 821,626us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member
[3] 821,548us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member
[3]
Senior credit facility    
Debt Instrument    
Senior credit facility 175,000us-gaap_LineOfCredit
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Senior Notes | 8.75% Senior Notes due 2020, net of $4,420 and $4,598 discount, respectively    
Debt Instrument    
Debt 445,580us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
445,402us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointSevenFivePercentDue2020Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Senior Notes | 7.5% Senior Notes due 2021, including premium of $3,372 and $3,486, respectively    
Debt Instrument    
Debt 1,178,372us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
1,178,486us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2021Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Senior Notes | 8.125% Senior Notes due 2022    
Debt Instrument    
Debt 750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
750,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesEightPointOneTwoFivePercentDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Senior Notes | 7.5% Senior Notes due 2023, net of $3,374 and $3,452 discount, respectively    
Debt Instrument    
Debt $ 821,626us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
$ 821,548us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= sd_SeniorNotesSevenPointFivePercentDue2023Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
[1] Carrying value is net of $4,420 and $4,598 discount at March 31, 2015 and December 31, 2014, respectively.
[2] Carrying value includes a premium of $3,372 and $3,486 at March 31, 2015 and December 31, 2014, respectively.
[3] Carrying value is net of $3,374 and $3,452 discount at March 31, 2015 and December 31, 2014, respectively.