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SUBSEQUENT EVENTS (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 01, 2023 | May 03, 2023 | Mar. 31, 2023 | Mar. 31, 2022 | May 01, 2023 | Dec. 31, 2022
Subsequent Event | DavinciRe Third-Party Investors |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Sale of shares to redeemable noncontrolling interests, net of adjustments |  | $ 155.9 |  |  |  |
DaVinci Reinsurance Ltd. |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Parent company ownership in redeemable noncontrolling interest |  |  | 25.40% | 30.90% |  | 30.90%
DaVinci Reinsurance Ltd. | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Parent company ownership in redeemable noncontrolling interest | 26.30% |  |  |  |  |
Medici |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Parent company ownership in redeemable noncontrolling interest |  |  | 10.80% | 13.60% |  |
Medici | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Parent company ownership in redeemable noncontrolling interest |  |  |  |  | 10.40% |
Third-Party Investors |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Redemption of shares from redeemable noncontrolling interest |  |  | $ 50.2 | $ 87.4 |  |
Third-Party Investors | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Redemption of shares from redeemable noncontrolling interest | $ 27.3 |  |  |  |  |
Third-Party Investors | Subsequent Event | DavinciRe Third-Party Investors |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Sale of shares to redeemable noncontrolling interests, net of adjustments |  | 145.9 |  |  |  |
RenaissanceRe Holdings Ltd. | Subsequent Event | DavinciRe Third-Party Investors |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Sale of shares to redeemable noncontrolling interests, net of adjustments |  | $ 10.0 |  |  |  |

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