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Cover
 3 Months Ended
Mar. 31, 2020
shares
Cover [Abstract]  
Document Type 10-Q/A
Document Quarterly Report true
Document Period End Date Mar. 31, 2020
Document Transition Report false
Entity File Number 001-33784
Entity Registrant Name SANDRIDGE ENERGY, INC.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 20-8084793
Entity Address, Address Line One 123 Robert S. Kerr Avenue
Entity Address, City or Town Oklahoma City
Entity Address, State or Province OK
Entity Address, Postal Zip Code 73102
City Area Code 405
Local Phone Number 429-5500
Title of 12(b) Security Common Stock, $.001 par value
Trading Symbol SD
Security Exchange Name NYSE
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false
Entity Bankruptcy Proceedings, Reporting Current true
Entity Common Stock, Shares Outstanding 35,779,494
Document Fiscal Year Focus 2020
Document Fiscal Period Focus Q1
Amendment Flag false
Entity Central Index Key 0001349436
Current Fiscal Year End Date --12-31