v3.25.4
Policyholder Obligations - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Weighted average crediting rate 5.10%    
Guaranteed minimum benefit amounts in excess of the current account balances $ 260.3 $ 276.6  
Cash surrender value 94.2 96.4  
FHLB of Chicago | United Insurance      
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Federal Home Loan Bank, amount of advances 30.0 101.7 $ 122.5
Payments of FHLBank borrowings $ 57.4 $ 117.8 $ 166.1