v3.22.2.2
Revision of Prior Period Financial Statements - Revised Consolidated Balance Sheet (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Reinsurance recoverables $ 7,561.8   $ 6,181.2      
Other Assets 666.7   698.9      
Total assets 33,245.7   33,920.6      
Claims and benefits payable 3,022.4   1,604.8 $ 1,905.0   $ 1,619.9
Reinsurance balances payable 520.9   446.2      
Total liabilities 29,146.8   28,456.5      
Retained earnings 3,678.9   4,041.2      
Total Assurant, Inc. stockholders’ equity 4,098.9   5,464.1      
Total equity 4,098.9 $ 4,459.7 5,464.1 5,721.3 $ 5,887.9 5,939.6
Total liabilities and equity $ 33,245.7   33,920.6      
As Reported            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Reinsurance recoverables     6,178.9      
Other Assets     692.1      
Total assets     33,911.5      
Claims and benefits payable     1,595.9      
Reinsurance balances payable     420.4      
Total liabilities     28,421.8      
Retained earnings     4,066.8      
Total Assurant, Inc. stockholders’ equity     5,489.7      
Total equity     5,489.7 5,744.4 5,908.4 5,954.8
Total liabilities and equity     33,911.5      
Adjustment            
Error Corrections and Prior Period Adjustments Restatement [Line Items]            
Reinsurance recoverables     2.3      
Other Assets     6.8      
Total assets     9.1      
Claims and benefits payable     8.9      
Reinsurance balances payable     25.8      
Total liabilities     34.7      
Retained earnings     (25.6)      
Total Assurant, Inc. stockholders’ equity     (25.6)      
Total equity     (25.6) $ (23.1) $ (20.5) $ (15.2)
Total liabilities and equity     $ 9.1