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LIABILITIES FOR INSURANCE PRODUCTS - GUARANTEED MINIMUM CREDITING RATES (Details) $ in Millions | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jan. 01, 2021 USD ($)
--- | --- | --- | --- | ---
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 15,481.8 | $ 15,234.2 | $ 15,079.7 | $ 12,367.7
0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 3,143.6 |  | $ 3,049.6 |
0.00%-2.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 0.00% |  | 0.00% |
0.00%-2.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 2.99% |  | 2.99% |
3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 2,232.2 |  | $ 2,400.2 |
3.00%-4.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 3.00% |  | 3.00% |
3.00%-4.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 4.99% |  | 4.99% |
5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 145.4 |  | $ 151.3 |
5.00% and greater | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 5.00% |  | 5.00% |
At guaranteed minimum | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 1,606.4 |  | $ 1,647.3 |
At guaranteed minimum | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,996.6 |  | 2,119.7 |
At guaranteed minimum | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 144.9 |  | $ 150.8 |
1-50 basis points above | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balance, above guaranteed minimum crediting rate | 0.0001 |  | 0.0001 |
1-50 basis points above | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balance, above guaranteed minimum crediting rate | 0.0050 |  | 0.0050 |
1-50 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 671.1 |  | $ 708.5 |
1-50 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 77.6 |  | 125.4 |
1-50 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0.5 |  | $ 0.5 |
51-150 basis points above | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balance, above guaranteed minimum crediting rate | 0.0051 |  | 0.0051 |
51-150 basis points above | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balance, above guaranteed minimum crediting rate | 0.0150 |  | 0.0150 |
51-150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 481.9 |  | $ 30.5 |
51-150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 157.5 |  | 154.9 |
51-150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0.0 |  | $ 0.0 |
Greater than 150 basis points above | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balance, above guaranteed minimum crediting rate | 0.0150 |  | 0.0150 |
Greater than 150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 384.2 |  | $ 663.3 |
Greater than 150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.5 |  | 0.2 |
Greater than 150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Contracts Excluding Fixed Indexed Annuities |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 5,521.2 |  | 5,601.1 |
Contracts Excluding Fixed Indexed Annuities | At guaranteed minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,747.9 |  | 3,917.8 |
Contracts Excluding Fixed Indexed Annuities | 1-50 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 749.2 |  | 834.4 |
Contracts Excluding Fixed Indexed Annuities | 51-150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 639.4 |  | 185.4 |
Contracts Excluding Fixed Indexed Annuities | Greater than 150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 384.7 |  | 663.5 |
Fixed interest annuities |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 2,234.7 |  | 2,323.7 |
Fixed interest annuities | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 642.2 |  | $ 557.4 |
Fixed interest annuities | 0.00%-2.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 0.00% |  | 0.00% |
Fixed interest annuities | 0.00%-2.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 2.99% |  | 2.99% |
Fixed interest annuities | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 1,502.9 |  | $ 1,674.2 |
Fixed interest annuities | 3.00%-4.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 3.00% |  | 3.00% |
Fixed interest annuities | 3.00%-4.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 4.99% |  | 4.99% |
Fixed interest annuities | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 89.6 |  | $ 92.1 |
Fixed interest annuities | 5.00% and greater | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 5.00% |  | 5.00% |
Fixed interest annuities | At guaranteed minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 1,687.7 |  | $ 1,907.6 |
Fixed interest annuities | At guaranteed minimum | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 122.3 |  | 163.8 |
Fixed interest annuities | At guaranteed minimum | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,475.8 |  | 1,651.7 |
Fixed interest annuities | At guaranteed minimum | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 89.6 |  | 92.1 |
Fixed interest annuities | 1-50 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 284.5 |  | 342.0 |
Fixed interest annuities | 1-50 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 257.4 |  | 319.6 |
Fixed interest annuities | 1-50 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 27.1 |  | 22.4 |
Fixed interest annuities | 1-50 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Fixed interest annuities | 51-150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 183.4 |  | 30.0 |
Fixed interest annuities | 51-150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 183.4 |  | 29.9 |
Fixed interest annuities | 51-150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.1 |
Fixed interest annuities | 51-150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Fixed interest annuities | Greater than 150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 79.1 |  | 44.1 |
Fixed interest annuities | Greater than 150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 79.1 |  | 44.1 |
Fixed interest annuities | Greater than 150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Fixed interest annuities | Greater than 150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 141.4 |  | 155.1 |
Other annuities | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 61.7 |  | $ 79.4 |
Other annuities | 0.00%-2.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 0.00% |  | 0.00% |
Other annuities | 0.00%-2.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 2.99% |  | 2.99% |
Other annuities | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 46.4 |  | $ 39.8 |
Other annuities | 3.00%-4.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 3.00% |  | 3.00% |
Other annuities | 3.00%-4.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 4.99% |  | 4.99% |
Other annuities | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 33.3 |  | $ 35.9 |
Other annuities | 5.00% and greater | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 5.00% |  | 5.00% |
Other annuities | At guaranteed minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 116.1 |  | $ 124.9 |
Other annuities | At guaranteed minimum | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 36.4 |  | 49.2 |
Other annuities | At guaranteed minimum | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 46.4 |  | 39.8 |
Other annuities | At guaranteed minimum | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 33.3 |  | 35.9 |
Other annuities | 1-50 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 25.3 |  | 30.2 |
Other annuities | 1-50 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 25.3 |  | 30.2 |
Other annuities | 1-50 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | 1-50 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | 51-150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | 51-150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | 51-150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | 51-150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | Greater than 150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | Greater than 150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | Greater than 150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other annuities | Greater than 150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Interest-sensitive life |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,344.8 |  | 1,312.9 |
Interest-sensitive life | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 662.8 |  | $ 627.9 |
Interest-sensitive life | 0.00%-2.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 0.00% |  | 0.00% |
Interest-sensitive life | 0.00%-2.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 2.99% |  | 2.99% |
Interest-sensitive life | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 659.7 |  | $ 662.1 |
Interest-sensitive life | 3.00%-4.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 3.00% |  | 3.00% |
Interest-sensitive life | 3.00%-4.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 4.99% |  | 4.99% |
Interest-sensitive life | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 22.3 |  | $ 22.9 |
Interest-sensitive life | 5.00% and greater | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 5.00% |  | 5.00% |
Interest-sensitive life | At guaranteed minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 495.0 |  | $ 434.6 |
Interest-sensitive life | At guaranteed minimum | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 22.0 |  | 8.1 |
Interest-sensitive life | At guaranteed minimum | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 451.2 |  | 404.1 |
Interest-sensitive life | At guaranteed minimum | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 21.8 |  | 22.4 |
Interest-sensitive life | 1-50 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 88.2 |  | 103.5 |
Interest-sensitive life | 1-50 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 37.2 |  | 0.0 |
Interest-sensitive life | 1-50 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 50.5 |  | 103.0 |
Interest-sensitive life | 1-50 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.5 |  | 0.5 |
Interest-sensitive life | 51-150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 456.0 |  | 155.4 |
Interest-sensitive life | 51-150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 298.5 |  | 0.6 |
Interest-sensitive life | 51-150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 157.5 |  | 154.8 |
Interest-sensitive life | 51-150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Interest-sensitive life | Greater than 150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 305.6 |  | 619.4 |
Interest-sensitive life | Greater than 150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 305.1 |  | 619.2 |
Interest-sensitive life | Greater than 150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.5 |  | 0.2 |
Interest-sensitive life | Greater than 150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,408.2 |  | 1,408.0 |
Funding agreements | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 1,408.2 |  | $ 1,408.0 |
Funding agreements | 0.00%-2.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 0.00% |  | 0.00% |
Funding agreements | 0.00%-2.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 2.99% |  | 2.99% |
Funding agreements | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0.0 |  | $ 0.0 |
Funding agreements | 3.00%-4.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 3.00% |  | 3.00% |
Funding agreements | 3.00%-4.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 4.99% |  | 4.99% |
Funding agreements | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0.0 |  | $ 0.0 |
Funding agreements | 5.00% and greater | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 5.00% |  | 5.00% |
Funding agreements | At guaranteed minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 1,408.2 |  | $ 1,408.0 |
Funding agreements | At guaranteed minimum | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,408.2 |  | 1,408.0 |
Funding agreements | At guaranteed minimum | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | At guaranteed minimum | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 1-50 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 1-50 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 1-50 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 1-50 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 51-150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 51-150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 51-150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | 51-150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | Greater than 150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | Greater than 150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | Greater than 150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Funding agreements | Greater than 150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 392.1 |  | 401.4 |
Other | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 368.7 |  | $ 376.9 |
Other | 0.00%-2.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 0.00% |  | 0.00% |
Other | 0.00%-2.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 2.99% |  | 2.99% |
Other | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 23.2 |  | $ 24.1 |
Other | 3.00%-4.99% | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 3.00% |  | 3.00% |
Other | 3.00%-4.99% | Maximum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 4.99% |  | 4.99% |
Other | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0.2 |  | $ 0.4 |
Other | 5.00% and greater | Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rates | 5.00% |  | 5.00% |
Other | At guaranteed minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 40.9 |  | $ 42.7 |
Other | At guaranteed minimum | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 17.5 |  | 18.2 |
Other | At guaranteed minimum | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 23.2 |  | 24.1 |
Other | At guaranteed minimum | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.2 |  | 0.4 |
Other | 1-50 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 351.2 |  | 358.7 |
Other | 1-50 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 351.2 |  | 358.7 |
Other | 1-50 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | 1-50 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | 51-150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | 51-150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | 51-150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | 51-150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | Greater than 150 basis points above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | Greater than 150 basis points above | 0.00%-2.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | Greater than 150 basis points above | 3.00%-4.99% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Other | Greater than 150 basis points above | 5.00% and greater |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0.0 |  | 0.0 |
Fixed indexed annuities |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 9,960.6 |  | $ 9,478.6 |

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