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DERIVATIVES - SCHEDULE PRE-TAX GAINS (LOSSES) RECOGNIZED IN NET INCOME FOR DERIVATIVE INSTRUMENTS (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Derivative [Line Items] |  |  |  |
Gains on derivatives not designated as hedging instruments | $ 98,800,000 | $ 68,900,000 | $ 110,500,000 | $ 248,200,000
Net pre-tax impact | (4,600,000) | (84,300,000) | (39,700,000) | 16,800,000
Embedded derivatives |  |  |  |
Derivative [Line Items] |  |  |  |
Embedded derivatives related to fixed indexed annuities | 0 | (8,100,000) | (7,100,000) | (25,200,000)
Embedded derivatives | Fixed indexed annuities |  |  |  |
Derivative [Line Items] |  |  |  |
Embedded derivatives related to fixed indexed annuities | 103,400,000 | 153,200,000 | 150,200,000 | 231,400,000
Net investment income (loss) from policyholder and other special-purpose portfolios | Fixed indexed call options |  |  |  |
Derivative [Line Items] |  |  |  |
Gains on derivatives not designated as hedging instruments | 98,300,000 | 67,200,000 | 108,700,000 | 246,300,000
Net realized gains (losses) | Embedded derivatives | Coinsurance agreements |  |  |  |
Derivative [Line Items] |  |  |  |
Gains on derivatives not designated as hedging instruments | $ 500,000 | $ 1,700,000 | $ 1,800,000 | $ 1,900,000

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 182 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-182 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-21 + Details
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