Reserve For Losses And Loss Expenses (Tables)

6 Months Ended

Jun. 30, 2013

Reserve For Losses And Loss Expenses [Abstract]

Components of liabilty for unpaid losses and loss expenses

	June 30,		December 31,
	2013		2012
Outstanding loss reserves	$	1,509,350	$	1,539,114
Reserves for losses incurred but not reported		4,187,515		4,106,435
Reserve for losses and loss expenses	$	5,696,865	$	5,645,549

Reconciliation of beginning and ending liability for unpaid losses and loss expenses

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2013		2012		2013		2012
Gross liability at beginning of period		$	5,673,220	$	5,331,418	$	5,645,549	$	5,225,143
Reinsurance recoverable at beginning of period			(1,163,503)		(1,056,780)		(1,141,110)		(1,002,919)
Net liability at beginning of period			4,509,717		4,274,638		4,504,439		4,222,224
Net losses incurred related to:
	Current year		323,556		282,302		622,804		546,986
	Prior years		(48,428)		(41,922)		(92,498)		(81,404)
	Total incurred		275,128		240,380		530,306		465,582
Net paid losses related to:
	Current year		21,003		18,226		24,584		19,840
	Prior years		241,764		186,891		482,885		362,411
	Total paid		262,767		205,117		507,469		382,251
Foreign exchange revaluation			(4,738)		(5,995)		(9,936)		(1,649)
Net liability at end of period			4,517,340		4,303,906		4,517,340		4,303,906
Reinsurance recoverable at end of period			1,179,525		1,073,612		1,179,525		1,073,612
Gross liability at end of period		$	5,696,865	$	5,377,518	$	5,696,865	$	5,377,518