Unaudited Quarterly Financial Data

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Unaudited quarterly financial data

Unaudited Quarterly Financial Data

The following is a summary of the unaudited quarterly financial data for 2015 and 2014:

(U.S. dollars in thousands, except per share amounts)	First Quarter		Second Quarter			Third Quarter		Fourth Quarter
2015
Net premiums earned – P&C operations	$	1,319,494	$	2,063,795		$	2,405,740	$	2,375,155
Net premiums earned – Corporate and Other	$	14,506	$	18,258		$	17,812	$	11,665
Underwriting profit (loss) – P&C operations	$	146,836	$	208,779		$	114,118	$	183,458
Net income (loss) attributable to ordinary shareholders	$	36,281	$	915,039		$	27,282	$	228,550
Net income (loss) per ordinary share and ordinary equivalent – basic	$	0.14	$	3.16		$	0.09	$	0.77
Net income (loss) per ordinary share and ordinary equivalent – diluted	$	0.14	$	3.11		$	0.09	$	0.76
2014
Net premiums earned – P&C operations	$	1,412,528	$	1,438,076		$	1,453,673	$	1,413,161
Net premiums earned – Corporate and Other	$	76,311	$	58,518		$	19,739	$	23,064
Underwriting profit (loss) – P&C operations	$	144,874	$	167,947		$	144,375	$	218,850
Net income (loss) attributable to ordinary shareholders	$	255,717	$	(279,260	)	$	72,384	$	139,499
Net income (loss) per ordinary share and ordinary equivalent – basic	$	0.93	$	(1.03	)	$	0.27	$	0.54
Net income (loss) per ordinary share and ordinary equivalent – diluted	$	0.91	$	(1.03	)	$	0.27	$	0.53