v3.26.1
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:        
Net income (loss) available (attributable) to RenaissanceRe common shareholders $ 654,234 $ 826,507 $ 938,769 $ 987,654
Amount allocated to participating common shareholders (11,065) (13,344) (15,411) (15,269)
Net income (loss) allocated to RenaissanceRe common shareholders $ 643,169 $ 813,163 $ 923,358 $ 972,385
Denominator:        
Denominator for basic income (loss) per RenaissanceRe common share - weighted average common shares (in shares) 41,379 47,140 41,906 47,737
Per common share equivalents of non-vested shares (in shares) 166 146 180 163
Denominator for diluted income (loss) per RenaissanceRe common share - adjusted weighted average common shares and assumed conversions (in shares) 41,545 47,286 42,086 47,900
Net income (loss) available (attributable) to RenaissanceRe common shareholders per common share – basic (in dollars per share) $ 15.54 $ 17.25 $ 22.03 $ 20.37
Net income (loss) available (attributable) to RenaissanceRe common shareholders per common share – diluted (in dollars per share) $ 15.48 $ 17.20 $ 21.94 $ 20.30