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Decommissioning Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Summary of the activity for the Company's decommissioning liabilities      
Decommissioning liabilities, December 31, 2013 and 2012, respectively $ 88,000us-gaap_AssetRetirementObligation $ 83,519us-gaap_AssetRetirementObligation  
Liabilities acquired and incurred 840us-gaap_AssetRetirementObligationLiabilitiesIncurred    
Accretion 1,163us-gaap_AssetRetirementObligationAccretionExpense 1,133us-gaap_AssetRetirementObligationAccretionExpense  
Revision estimated liabilities 1,482spn_AssetRetirementObligationRevisionEstimatedLiabilities    
Total decommissioning liabilities, September 30, 2014 and 2013, respectively 91,485us-gaap_AssetRetirementObligation 84,652us-gaap_AssetRetirementObligation  
Long-term decommissioning liabilities, September 30, 2014 and 2013, respectively $ 91,485us-gaap_AssetRetirementObligationsNoncurrent   $ 88,000us-gaap_AssetRetirementObligationsNoncurrent