XML 148 R127.htm IDEA: XBRL DOCUMENT v3.22.0.1
Policyholder Contract Liabilities - Policyholder Contract Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Investment Holdings [Line Items]    
Policyholder Obligations $ 504.0 $ 467.0
Universal Life-type Policyholder Account Balances    
Investment Holdings [Line Items]    
Policyholder Obligations 102.1 59.2
United Insurance | FHLB of Chicago | FHLB Funding Agreements    
Investment Holdings [Line Items]    
Policyholder Obligations $ 401.9 $ 407.8