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Derivative Financial Instruments Nature and Amount of Collateral Received From and Posted To Our Derivative Counterparties (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative |  |
Cash Collateral from Counterparties | $ 51.2 | $ 49.4
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | 18.4 | 44.7
Cash |  |
Derivative |  |
Cash Collateral from Counterparties | 52.0 | 49.4
Derivative, Collateral, Right to Reclaim Cash | 0.0 | 5.1
Fixed Maturity Securities |  |
Derivative |  |
Carrying Value of Fixed Maturity Securities Posted as Collateral to Counterparties | $ 18.4 | $ 39.6

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