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Note 6 - Investments - Other (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Fixed-maturities available for sale | Debt Securities |  |
Investment Holdings [Line Items] |  |
Assets Held by Insurance Regulators | $ 16.9 | $ 16.8

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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 http://asc.fasb.org/extlink&oid=75763970&loc=SL75763979-209797 + Details
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