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Property, Plant and Equipment - Capitalized Costs of Unproved Properties Excluded from Amortization (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items]        
Property acquisition, cumulative $ 515,849us-gaap_AcquisitionCostsCumulative      
Exploration, cumulative 61,327us-gaap_ExplorationCostsCumulative [1]      
Total costs incurred, cumulative 577,176sd_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationIncludingPipeInventoryCostCumulative      
Year Cost Incurred 2013        
Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items]        
Property acquisition 114,252us-gaap_AcquisitionCosts
/ us-gaap_RangeAxis
= sd_YearCostIncurred2013Member
     
Exploration 48,764us-gaap_ExplorationCosts
/ us-gaap_RangeAxis
= sd_YearCostIncurred2013Member
[1]      
Total costs incurred 163,016sd_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationIncludingPipeInventoryCost
/ us-gaap_RangeAxis
= sd_YearCostIncurred2013Member
     
Year Cost Incurred 2012        
Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items]        
Property acquisition   291,999us-gaap_AcquisitionCosts
/ us-gaap_RangeAxis
= sd_YearCostIncurred2012Member
   
Exploration   5,479us-gaap_ExplorationCosts
/ us-gaap_RangeAxis
= sd_YearCostIncurred2012Member
[1]    
Total costs incurred   297,478sd_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationIncludingPipeInventoryCost
/ us-gaap_RangeAxis
= sd_YearCostIncurred2012Member
   
Year Cost Incurred 2011        
Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items]        
Property acquisition     34,164us-gaap_AcquisitionCosts
/ us-gaap_RangeAxis
= sd_YearCostIncurred2011Member
 
Exploration     3,598us-gaap_ExplorationCosts
/ us-gaap_RangeAxis
= sd_YearCostIncurred2011Member
[1]  
Total costs incurred     37,762sd_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationIncludingPipeInventoryCost
/ us-gaap_RangeAxis
= sd_YearCostIncurred2011Member
 
Year Cost Incurred 2010 and Prior        
Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items]        
Property acquisition, cumulative       75,434us-gaap_AcquisitionCostsCumulative
/ us-gaap_RangeAxis
= sd_YearCostIncurred2010andPriorMember
Exploration, cumulative       3,486us-gaap_ExplorationCostsCumulative
/ us-gaap_RangeAxis
= sd_YearCostIncurred2010andPriorMember
[1]
Total costs incurred, cumulative       $ 78,920sd_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationIncludingPipeInventoryCostCumulative
/ us-gaap_RangeAxis
= sd_YearCostIncurred2010andPriorMember
[1] Includes $45.6 million of pipe inventory costs incurred ($42.6 million in 2013, $2.8 million in 2012 and $0.2 million in 2010 and prior years).