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Investments - Other Narrative (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
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Fixed-maturities available for sale | Debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Assets held by insurance regulators | $ 13.1 | $ 14.3

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- Definition Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 825 -Section 50 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=123600598&loc=SL75763979-209797 + Details
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