Unaudited Quarterly Financial Data

12 Months Ended

Dec. 31, 2015

Unaudited Quarterly Financial Data [Abstract]

Unaudited Quarterly Financial Data

20. UNAUDITED QUARTERLY FINANCIAL DATA

Summarized quarterly financial data for the periods indicated:

	2015
(Dollars in thousands)	1st Quarter		2nd Quarter		3rd Quarter			4th Quarter
Operating data:
Gross written premiums	$	1,226,763	$	1,089,441	$	1,448,711		$	1,230,716
Net written premiums		508,427		472,464		599,073			513,319
Premiums earned		521,062		521,424		546,050			555,224
Net investment income		72,581		70,925		63,363			66,384
Net realized capital gains (losses)		21,296		51,225		(121,695	)		99,509
Total claims and underwriting expenses		453,954		447,405		499,858			448,232
Net income (loss)		115,944		133,766		(4,659	)		167,602

	2014
(Dollars in thousands)	1st Quarter			2nd Quarter		3rd Quarter			4th Quarter
Operating data:
Gross written premiums	$	1,084,455		$	1,224,820	$	1,453,394		$	1,202,625
Net written premiums		499,704			492,727		611,916			502,627
Premiums earned		470,445			520,736		569,597			552,948
Net investment income		63,787			68,636		83,446			74,441
Net realized capital gains (losses)		(4,050	)		125,114		(160	)		85,775
Total claims and underwriting expenses		393,391			453,997		510,371			527,768
Net income (loss)		86,466			158,174		100,141			109,345