Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Financial Information Table Text Block

		Quarter Ended
		December 31,		September 30,		June 30,		March 31,
		2012		2012		2012		2012
REVENUES:
	Gross premiums written	$	497,052	$	504,420	$	646,870	$	680,929
	Premiums ceded		(134,429)		(112,883)		(152,160)		(91,976)
	Net premiums written		362,623		391,537		494,710		588,953
	Change in unearned premiums		113,621		49,480		(64,963)		(187,063)
	Net premiums earned		476,244		441,017		429,747		401,890
	Net investment income		38,360		39,121		42,451		47,209
	Net realized investment gains		14,379		149,813		8,663		133,581
			528,983		629,951		480,861		582,680
EXPENSES:
	Net losses and loss expenses		414,734		258,948		240,380		225,202
	Acquisition costs		55,910		51,086		51,588		47,138
	General and administrative expenses		84,404		78,572		73,979		70,366
	Amortization of intangible assets		633		633		634		633
	Interest expense		13,826		13,822		14,001		13,756
	Foreign exchange loss (gain)		860		1,023		(1,019)		(81)
			570,367		404,084		379,563		357,014
(Loss) income before income taxes			(41,384)		225,867		101,298		225,666
Income tax (benefit) expense			(237)		6,220		4,947		7,510
NET (LOSS) INCOME		$	(41,147)	$	219,647	$	96,351	$	218,156
PER SHARE DATA
Basic (loss) earnings per share		$	(1.17)	$	6.16	$	2.66	$	5.86
Diluted (loss) earnings per share		$	(1.17)	$	6.00	$	2.59	$	5.70
Weighted average common shares outstanding			35,097,043		35,652,768		36,288,596		37,205,166
Weighted average common shares and common share
	equivalents outstanding		35,097,043		36,616,734		37,189,722		38,284,635

		Quarter Ended
		December 31,		September 30,		June 30,		March 31,
		2011		2011		2011		2011
REVENUES:
	Gross premiums written	$	416,537	$	442,698	$	519,598	$	560,688
	Premiums ceded		(109,705)		(92,438)		(123,795)		(79,817)
	Net premiums written		306,832		350,260		395,803		480,871
	Change in unearned premiums		88,637		21,080		(40,496)		(145,995)
	Net premiums earned		395,469		371,340		355,307		334,876
	Net investment income		45,489		47,883		52,368		50,208
	Net realized investment gains		31,632		(130,809)		58,878		50,376
	Other income - termination fee		66,744		35,000		0		0
			539,334		323,414		466,553		435,460
EXPENSES:
	Net losses and loss expenses		213,345		205,546		235,813		304,452
	Acquisition costs		46,562		39,680		42,971		38,082
	General and administrative expenses		70,492		66,007		67,201		67,956
	Amortization of intangible assets		678		767		766		767
	Interest expense		13,754		13,748		13,745		13,742
	Foreign exchange (gain) loss		(549)		2,966		1,184		(442)
			344,282		328,714		361,680		424,557
Income (loss) before income taxes			195,052		(5,300)		104,873		10,903
Income tax expense			11,952		5,672		11,073		2,283
NET INCOME (LOSS)		$	183,100	$	(10,972)	$	93,800	$	8,620
PER SHARE DATA
Basic earnings (loss) per share		$	4.80	$	(0.29)	$	2.45	$	0.23
Diluted earnings (loss) per share		$	4.63	$	(0.29)	$	2.36	$	0.21
Weighted average common shares outstanding			38,138,558		38,110,368		38,346,489		38,199,867
Weighted average common shares and common share
	equivalents outstanding		39,524,273		38,110,368		39,800,753		40,383,523