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Consolidated Statements of Operations (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Mar. 31, 2023 | Dec. 31, 2022
Income Statement [Abstract] |  |
Remeasurement gains (losses) of future policy benefit reserves | $ 354 | $ 637

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- Definition Amount of remeasurement gain (loss) on liability for future policy benefit from application of revised benefit ratio as of contract issue. Includes, but is not limited to, remeasurement gain (loss) for annuitization insurance benefit, death and other insurance benefits, and traditional and limited-payment contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=124509262&loc=SL117780257-158436 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124509262&loc=d3e14722-158436 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124509262&loc=d3e14714-158436 + Details
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