XML 11 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2016
Oct. 31, 2016
Oct. 04, 2016
Document and Entity Information [Abstract]      
Entity Registrant Name SANDRIDGE ENERGY INC    
Entity Central Index Key 0001349436    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Document Type 10-Q    
Document Period End Date Sep. 30, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus Q3    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   20,575,551 719,562,166