v3.22.2.2
Document and Entity Information
Nov. 10, 2022
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Nov. 10, 2022
Entity Registrant Name Assurant, Inc.
Entity Central Index Key 0001267238
Amendment Flag false
Current Fiscal Year End Date --12-31
Entity Incorporation, State or Country Code DE
Entity File Number 001-31978
Entity Tax Identification Number 39-1126612
Entity Address, Address Line One 55 Broadway
Entity Address, Address Line Two Suite 2901
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10006
City Area Code 212
Local Phone Number 859-7000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock, $0.01 Par Value
Trading Symbol AIZ
Security Exchange Name NYSE
Senior Subordinated Notes  
Entity Information [Line Items]  
Title of 12(b) Security 5.25% Subordinated Notes due 2061
Trading Symbol AIZN
Security Exchange Name NYSE