Reinsurance (Tables)

12 Months Ended

Dec. 31, 2012

Reinsurance Disclosures [Abstract]

Reinsurance Financial Information

The following is a summary of reinsurance financial information:

(In thousands)	2012			2011			2010
Written premiums:
Direct	$	4,964,069		$	4,370,092		$	3,788,251
Assumed	815,810			707,221			627,826
Ceded	(881,340		)	(719,945		)	(565,151		)
Total net written premiums	$	4,898,539		$	4,357,368		$	3,850,926
Earned premiums:
Direct	$	4,723,882		$	4,164,277		$	3,744,150
Assumed	770,981			669,593			652,485
Ceded	(821,347		)	(673,003		)	(561,053		)
Total net earned premiums	$	4,673,516		$	4,160,867		$	3,835,582
Ceded losses incurred	$	528,018		$	458,249		$	379,153

Schedule of Ceded Credit Risk by Reinsurer

The following table presents the amounts due from reinsurers as of December 31, 2012:

(In thousands)
Munich Re	$	166,910
Lloyd’s of London	127,430
Swiss Re	81,167
Transatlantic Re	79,835
Partner Re	71,785
Axis Capital	60,140
Berkshire Hathaway	54,152
Ace Group	46,020
Hannover Re Group	32,763
Poseidon Re Ltd	30,016
Everest Re	25,915
Arch Capital Group	25,636
Validus Holdings Ltd	23,727
Other reinsurers less than $20,000	220,304
Subtotal	1,045,800
Residual market pools	404,548
Total	$	1,450,348