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Reinsurance (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Effects of Reinsurance |  |  |  |  |  |  |
Net Investment Gain (Loss) | $ (4.1) | $ 0.9 |  | $ (17.9) | $ 85.5 |  |
Other Expenses | 253.3 | 250.3 |  | 497.1 | 495.3 |  |
Reinsurance Recoverables, Incurred but Not Reported Claims | 8,372.3 | $ 9,042.2 |  | 8,372.3 | $ 9,042.2 | $ 8,697.8 | $ 8,378.9
Closed Block Individual Disability Reinsurance Transaction | Phase 2 |  |  |  |  |  |  |
Effects of Reinsurance |  |  |  |  |  |  |
Negative Ceding Commission |  |  | $ (18.2) |  |  |  |
Net Investment Gain (Loss) |  |  | 67.6 |  |  |  |
Increase in Benefits and Change in Reserves for Future Benefits |  |  | 133.1 | 133.1 |  |  |
Other Expenses |  |  | 6.2 |  |  |  |
Reinsurance Recoverables, Incurred but Not Reported Claims | $ 990.0 |  | 990.0 | $ 990.0 |  |  |
Prepaid Reinsurance Premiums |  |  | 43.1 |  |  |  |
Deposit Contracts, Assets |  |  | 5.0 |  |  |  |
Closed Block Individual Disability Reinsurance Transaction | Phases 1 and 2 |  |  |  |  |  |  |
Effects of Reinsurance |  |  |  |  |  |  |
Prepaid Reinsurance Premiums |  |  | 854.8 |  |  |  |
Deposit Contracts, Assets |  |  | $ 91.8 |  |  |  |

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