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LIABILITIES FOR INSURANCE PRODUCTS - SUMMARY OF CHANGES IN POLICYHOLDER ACCOUNT BALANCES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Policyholder Account Balance [Roll Forward] |  |
Amount of reserves above (below) policyholder account values | $ (407.5) | $ (445.3)
Policyholder account balances | 17,615.8 | 15,222.5
Fixed indexed annuities |  |
Policyholder Account Balance [Roll Forward] |  |
Policyholder account values, beginning of period excluding contracts 100% ceded | 9,999.2 | 9,490.4
Issuances (funds collected from new business) | 1,541.6 | 1,373.7
Premiums received (premiums collected from inforce business) | 2.6 | 0.1
Policy charges | (29.7) | (19.7)
Surrenders and withdrawals | (927.6) | (738.3)
Benefit payments | (274.4) | (243.9)
Interest credited | 399.8 | 112.6
Other | 54.8 | 24.3
Policyholder account values, ending of period excluding contracts 100% ceded | 10,766.3 | 9,999.2
Policyholder account values, end of period for contracts 100% ceded | 124.0 | 139.4
Amount of reserves above (below) policyholder account values | (424.5) | (460.0)
Policyholder account balances | 10,465.8 | 9,678.6
Balance, end of period, reinsurance ceded | (116.7) | (132.4)
Balance, end of period, net of reinsurance | $ 10,349.1 | $ 9,546.2
Weighted average crediting rate | 2.10% | 1.80%
Cash surrender value, net of reinsurance | $ 10,056.2 | $ 9,326.2
Fixed interest annuities |  |
Policyholder Account Balance [Roll Forward] |  |
Policyholder account values, beginning of period excluding contracts 100% ceded | 1,636.4 | 1,663.1
Issuances (funds collected from new business) | 236.4 | 197.0
Premiums received (premiums collected from inforce business) | 2.9 | 2.7
Policy charges | (1.4) | (1.0)
Surrenders and withdrawals | (171.5) | (164.6)
Benefit payments | (103.8) | (106.9)
Interest credited | 48.0 | 46.1
Other | (0.4) | 0.0
Policyholder account values, ending of period excluding contracts 100% ceded | 1,646.6 | 1,636.4
Policyholder account values, end of period for contracts 100% ceded | 540.4 | 592.4
Amount of reserves above (below) policyholder account values | 0.0 | 0.0
Policyholder account balances | 2,187.0 | 2,228.8
Balance, end of period, reinsurance ceded | (540.4) | (592.4)
Balance, end of period, net of reinsurance | $ 1,646.6 | $ 1,636.4
Weighted average crediting rate | 2.90% | 2.80%
Cash surrender value, net of reinsurance | $ 1,607.0 | $ 1,610.0
Other annuities |  |
Policyholder Account Balance [Roll Forward] |  |
Policyholder account values, beginning of period excluding contracts 100% ceded | 113.1 | 127.1
Issuances (funds collected from new business) | 0.0 | 0.0
Premiums received (premiums collected from inforce business) | 30.8 | 28.1
Policy charges | 0.0 | 0.0
Surrenders and withdrawals | (32.8) | (37.6)
Benefit payments | (5.8) | (5.9)
Interest credited | 2.2 | 2.3
Other | (0.1) | (0.9)
Policyholder account values, ending of period excluding contracts 100% ceded | 107.4 | 113.1
Policyholder account values, end of period for contracts 100% ceded | 28.2 | 25.2
Amount of reserves above (below) policyholder account values | 0.0 | 0.0
Policyholder account balances | 135.6 | 138.3
Balance, end of period, reinsurance ceded | (28.2) | (25.2)
Balance, end of period, net of reinsurance | $ 107.4 | $ 113.1
Weighted average crediting rate | 2.60% | 2.40%
Cash surrender value, net of reinsurance | $ 107.4 | $ 113.1
Interest-sensitive life |  |
Policyholder Account Balance [Roll Forward] |  |
Policyholder account values, beginning of period excluding contracts 100% ceded | 1,255.2 | 1,209.6
Issuances (funds collected from new business) | 40.4 | 40.8
Premiums received (premiums collected from inforce business) | 211.8 | 203.4
Policy charges | (196.0) | (188.3)
Surrenders and withdrawals | (35.0) | (31.1)
Benefit payments | (23.7) | (24.7)
Interest credited | 69.5 | 46.0
Other | (0.4) | (0.5)
Policyholder account values, ending of period excluding contracts 100% ceded | 1,321.8 | 1,255.2
Policyholder account values, end of period for contracts 100% ceded | 98.2 | 104.6
Amount of reserves above (below) policyholder account values | 17.0 | 14.7
Policyholder account balances | 1,437.0 | 1,374.5
Balance, end of period, reinsurance ceded | (116.6) | (122.9)
Balance, end of period, net of reinsurance | $ 1,320.4 | $ 1,251.6
Weighted average crediting rate | 5.30% | 3.80%
Cash surrender value, net of reinsurance | $ 1,074.8 | $ 1,013.6
Net amount at risk | 29,490.2 | 28,241.0
Funding agreements |  |
Policyholder Account Balance [Roll Forward] |  |
Policyholder account values, beginning of period excluding contracts 100% ceded | 1,411.0 | 1,410.8
Issuances (funds collected from new business) | 1,599.2 | 0.0
Premiums received (premiums collected from inforce business) | 0.0 | 0.0
Policy charges | 0.0 | 0.0
Surrenders and withdrawals | (50.6) | (28.6)
Benefit payments | 0.0 | 0.0
Interest credited | 61.6 | 28.8
Other | 0.0 | 0.0
Policyholder account values, ending of period excluding contracts 100% ceded | 3,021.2 | 1,411.0
Policyholder account values, end of period for contracts 100% ceded | 0.0 | 0.0
Amount of reserves above (below) policyholder account values | 0.0 | 0.0
Policyholder account balances | 3,021.2 | 1,411.0
Balance, end of period, reinsurance ceded | 0.0 | 0.0
Balance, end of period, net of reinsurance | $ 3,021.2 | $ 1,411.0
Weighted average crediting rate | 3.80% | 2.00%
Cash surrender value, net of reinsurance | $ 0.0 | $ 0.0
Other |  |
Policyholder Account Balance [Roll Forward] |  |
Policyholder account values, beginning of period excluding contracts 100% ceded | 381.0 | 395.5
Issuances (funds collected from new business) | 0.0 | 0.0
Premiums received (premiums collected from inforce business) | 274.6 | 273.4
Policy charges | 0.0 | 0.0
Surrenders and withdrawals | (299.1) | (290.0)
Benefit payments | 0.0 | (0.1)
Interest credited | 2.6 | 2.6
Other | 0.0 | (0.4)
Policyholder account values, ending of period excluding contracts 100% ceded | 359.1 | 381.0
Policyholder account values, end of period for contracts 100% ceded | 10.1 | 10.3
Amount of reserves above (below) policyholder account values | 0.0 | 0.0
Policyholder account balances | 369.2 | 391.3
Balance, end of period, reinsurance ceded | (23.5) | (24.1)
Balance, end of period, net of reinsurance | $ 345.7 | $ 367.2
Weighted average crediting rate | 0.80% | 0.80%
Cash surrender value, net of reinsurance | $ 345.7 | $ 367.2

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