XML 78 R59.htm IDEA: XBRL DOCUMENT v3.25.1
Long-Duration Insurance Contracts - Policyholder Account Balances (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Policyholder Account Balance [Roll Forward]      
Beginning balance $ 5,100.3    
Interest credited 52.8 $ 52.9  
Ending balance 5,079.6   $ 5,100.3
Indexed Universal Life      
Policyholder Account Balance [Roll Forward]      
Beginning balance 72.9 57.8 57.8
Premiums received 6.0 3.9  
Surrenders and withdrawals (0.4) (0.5)  
Benefit payments 0.0 0.0  
Net transfers from (to) separate account (0.1) (0.1)  
Interest credited 1.0 0.8  
Other (1.2) (0.9)  
Ending balance $ 78.2 $ 61.0 72.9
Weighted-average crediting rate 5.30% 5.60%  
Net amount at risk $ 0.0 $ 0.0  
Cash surrender value 59.3 43.3  
Experience life      
Policyholder Account Balance [Roll Forward]      
Beginning balance 58.0 61.2 61.2
Premiums received (0.2) (0.1)  
Surrenders and withdrawals (0.8) (1.3)  
Benefit payments (0.3) (0.5)  
Net transfers from (to) separate account 0.0 0.0  
Interest credited 0.7 0.7  
Other 0.0 0.1  
Ending balance $ 57.4 $ 60.1 58.0
Weighted-average crediting rate 4.90% 4.90%  
Net amount at risk $ 0.0 $ 0.0  
Cash surrender value 56.8 59.5  
Fixed Account Annuities      
Policyholder Account Balance [Roll Forward]      
Beginning balance 4,508.4 4,556.0 4,556.0
Premiums received 43.4 49.0  
Surrenders and withdrawals (89.2) (112.2)  
Benefit payments (21.8) (20.6)  
Net transfers from (to) separate account 12.0 1.9  
Interest credited 42.7 41.7  
Other 0.4 4.1  
Ending balance $ 4,495.9 $ 4,519.9 4,508.4
Weighted-average crediting rate 3.90% 3.70%  
Net amount at risk $ 31.8 $ 32.0  
Cash surrender value 4,447.4 4,468.2  
Fixed Indexed Account Annuities      
Policyholder Account Balance [Roll Forward]      
Beginning balance 409.5 449.0 449.0
Premiums received 4.2 3.6  
Surrenders and withdrawals (13.2) (13.3)  
Benefit payments (1.7) (0.8)  
Net transfers from (to) separate account (0.2) (0.8)  
Interest credited 3.4 2.7  
Other (2.3) (3.0)  
Ending balance $ 399.7 $ 437.4 409.5
Weighted-average crediting rate 3.50% 2.50%  
Net amount at risk $ 0.0 $ 0.0  
Cash surrender value 393.1 428.4  
SPIA (non-life contingent)      
Policyholder Account Balance [Roll Forward]      
Beginning balance 28.6 32.6 32.6
Premiums received 0.6 0.8  
Surrenders and withdrawals (0.2) (0.6)  
Benefit payments (1.2) (1.4)  
Net transfers from (to) separate account 0.0 0.0  
Interest credited 0.3 0.2  
Other 0.2 0.0  
Ending balance $ 28.3 $ 31.6 $ 28.6
Weighted-average crediting rate 4.20% 3.10%  
Net amount at risk $ 0.0 $ 0.0  
Cash surrender value $ 28.0 $ 31.4