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INVESTMENTS - Net Investment Gains (Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Gross realized investment gains |  |  |  |
Fixed maturities and short-term investments | $ 1,095 | $ 21,036 | $ 11,390 | $ 126,901
Equity securities | 6,997 | 4 | 6,997 | 5,006
Gross realized investment gains | 8,092 | 21,040 | 18,387 | 131,907
Gross realized investment losses |  |  |  |
Fixed maturities and short-term investments | (100,021) | (4,206) | (249,514) | (32,443)
Equity securities | (178) | 0 | (403) | (116)
Gross realized investment losses | (100,199) | (4,206) | (249,917) | (32,559)
Change in allowance for expected credit losses | 3,210 | 315 | 10,191 | 76
Impairment losses | (6,491) | (22) | (7,074) | (22)
Change in fair value of investment derivatives | 4,400 | 2,486 | 11,463 | 3,388
Net unrealized gains (losses) on equity securities | (49,050) | (8,051) | (176,899) | 11,230
Total net investment gains (losses) | $ (146,458) | $ 10,932 | $ (414,231) | $ 113,868

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- Definition Amount of realized loss on investment in debt and equity securities. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments and relating to the entity's investment portfolio. + References No definition available. + Details
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- Definition This item represents the net realized gains and losses on available for sale debt securities, the net realized and unrealized gains and losses on equity securities with FV recorded in net income, together with the change in fair value of investment derivatives, and expected and realized credit losses. + References No definition available. + Details
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- Definition Amount of writeoff of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 9 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455 + Details
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- Definition Amount, excluding accrued interest, of increase (decrease) in allowance for credit loss of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455 + Details
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
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- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
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