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Derivatives - Fair Value of Derivatives in Consolidated Balance Sheets (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Short-term and other investments | Short-term and other investments
Assets |  |
Derivatives, reported in Short-term and other investments | $ 6.8 | $ 10.7
FIA - embedded derivatives, reported in Other policyholder funds |  |
Liabilities |  |
FIA - embedded derivatives, reported in Other policyholder funds | 91.0 | 106.6
IUL - embedded derivatives, reported in Investment contract and policy reserves |  |
Liabilities |  |
IUL - embedded derivatives, reported in Investment contract and policy reserves | $ 1.2 | $ 2.1

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- Definition Carrying amount of accrued obligation to policyholders that relates to insured events under other insurance contracts. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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