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ACQUISITION OF VALIDUS - Overview (Details) - Validus - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 01, 2023 | May 22, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Business Acquisition [Line Items] |  |  |  |
Percentage of voting interests acquired | 100.00% |  |  |
Total purchase price | $ 3,020,168 | $ 2,985,000 |  |
Total cash consideration paid by RenaissanceRe as acquisition consideration | $ 2,735,000 |  |  |
Shares issued (in shares) | 1,322,541 |  |  |
Business acquisition, common shares (in shares) | $ 285,168 | $ 250,000 |  |
Business acquisition, share price ( in dollars per share) | $ 226.97 | $ 189.03 |  |
Corporate expenses associated with the acquisition |  |  | $ 61,900 | $ 76,400
Agent relationships - top four |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortization period majority | 10 years |  |  |
Renewal rights |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortization period majority | 10 years |  |  |

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