XML 20 R1.htm IDEA: XBRL DOCUMENT v3.4.0.3
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2016
Apr. 30, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Entity Registrant Name HORACE MANN EDUCATORS CORP /DE/  
Entity Central Index Key 0000850141  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Trading Symbol HMN  
Entity Common Stock, Shares Outstanding   40,123,804