v2.4.0.6
Document and Entity Information
3 Months Ended
Mar. 31, 2012
May 02, 2012
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2012  
Entity Registrant Name KEMPER Corporation  
Entity Central Index Key 0000860748  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q1  
Trading Symbol KMPR  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   59,725,362