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Fair Value of Financial Instruments Additional Information (Detail) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Ceded Policy Loans | $ 3,240.4 | $ 3,373.7
Fair Value, Inputs, Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Percentage of Total Fair Value of Fixed Maturities Securities | 20.20% |
Fair Value, Inputs, Level 2 | Pricing Service |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Percentage of Total Fair Value of Fixed Maturities Securities | 63.30% |
Fair Value, Inputs, Level 2 | Other Observable Market Data |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Percentage of Total Fair Value of Fixed Maturities Securities | 15.20% |
Fair Value Inputs Other Than Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Percentage of Total Fair Value of Fixed Maturities Securities | 79.80% |
Fair Value Inputs Level 2 Or Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Percentage of Total Fair Value of Fixed Maturities Securities | 1.30% |

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- Definition Loans ceded to reinsurers. These loans use insurance policy funds such as cash surrender values as collateral. + References No definition available. + Details
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