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COLLATERALIZED REINSURANCE AND TRUST AGREEMENTS - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022
Effects of Reinsurance [Line Items] |  |
Amount on deposit in trust accounts | $ 2,500 | $ 1,800
Restricted cash | $ 202 | $ 365
Mt Logan Re |  |
Effects of Reinsurance [Line Items] |  |
Percentage of voting common shares owned by Group | 100.00% |

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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685 + Details
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