v2.4.0.6

Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2012
Earnings Per Share [Abstract] |
Schedule Of Computation Of Basic And Diluted Earnings Per Common Share | The following table sets forth the computation of basic and diluted earnings per common share:
| Three months ended March 31, | 2012 |  | 2011 |
| (thousands of shares) |  |  |  |
| Numerator: |  |  |  |
| Net income (loss) available (attributable) to RenaissanceRe common shareholders | $ | 201,429 |  |  | $ | (248,033 | ) |
| Amount allocated to participating common shareholders (1) | (3,404 | ) |  | 6,327 |  |
| Net income (loss) allocated to RenaissanceRe common shareholders | $ | 198,025 |  |  | $ | (241,706 | ) |
| Denominator: |  |  |  |
| Denominator for basic income (loss) per RenaissanceRe common share - weighted average common shares | 50,377 |  |  | 51,504 |  |
| Per common share equivalents of employee stock options and restricted shares | 604 |  |  | — |  |
| Denominator for diluted income (loss) per RenaissanceRe common share - adjusted weighted average common shares and assumed conversions | 50,981 |  |  | 51,504 |  |
| Basic income (loss) per RenaissanceRe common share | $ | 3.93 |  |  | $ | (4.69 | ) |
| Diluted income (loss) per RenaissanceRe common share | $ | 3.88 |  |  | $ | (4.69 | ) |
(1) | Represents earnings attributable to holders of unvested restricted shares issued under the Company’s 2001 Stock Incentive Plan and Non-Employee Director Stock Incentive Plan.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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