Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

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:

Year ended December 31,	2017			2016			2015
(thousands of shares)
Numerator:
Net (loss) income (attributable) available to RenaissanceRe common shareholders	$	(244,770	)	$	480,581		$	408,811
Amount allocated to participating common shareholders (1)	(457		)	(5,666		)	(4,721		)
Net (loss) income allocated to RenaissanceRe common shareholders	$	(245,227	)	$	474,915		$	404,090
Denominator:
Denominator for basic (loss) income per RenaissanceRe common share - weighted average common shares	39,854			41,314			43,157
Per common share equivalents of employee stock options and performance shares	—			245			369
Denominator for diluted (loss) income per RenaissanceRe common share - adjusted weighted average common shares and assumed conversions	39,854			41,559			43,526
Net (loss) income (attributable) available to RenaissanceRe common shareholders per common share – basic	$	(6.15	)	$	11.50		$	9.36
Net (loss) income (attributable) available to RenaissanceRe common shareholders per common share – diluted	$	(6.15	)	$	11.43		$	9.28

(1) Represents earnings attributable to holders of unvested restricted shares issued pursuant to the Company’s 2001 Stock Incentive Plan, 2010 Performance-Based Equity Incentive Plan, 2016 Long-Term Incentive Plan and to the Company’s non-employee directors.