Document and Entity Information
Mar. 10, 2022
Cover [Abstract]  
Entity Registrant Name KEMPER Corp
Amendment Flag false
Entity Central Index Key 0000860748
Document Type 8-K
Document Period End Date Mar. 10, 2022
Entity File Number 001-18298
Entity Incorporation State Country Code DE
Entity Tax Identification Number 95-4255452
Entity Address, Address Line One 200 E. Randolph Street
Entity Address, Address Line Two Suite 3300
Entity Address, City or Town Chicago
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60601
City Area Code 312
Local Phone Number 661-4600
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.10 per share
Trading Symbol KMPR
Security Exchange Name NYSE
Entity Emerging Growth Company false