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Document and Entity Information
 6 Months Ended
Jun. 30, 2014
Jul. 31, 2014
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2014  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q2  
Trading Symbol CECO  
Entity Registrant Name CAREER EDUCATION CORP  
Entity Central Index Key 0001046568  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   67,246,714