XML 104 R80.htm IDEA: XBRL DOCUMENT v2.4.0.6
Ceded Reinsurance (Effect Of Reinsurance And Retrocessional Activity On Premiums Written And Earned And On Net Claims And Claim Expenses) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Premiums written                      
Direct                 $ 36,367 $ 29,725 $ 9,133
Assumed                 1,515,224 1,405,251 1,156,162
Ceded                 (448,934) (422,203) (316,330)
Net premiums written 77,417 105,035 427,630 492,575 29,193 103,010 427,995 452,575 1,102,657 1,012,773 848,965
Premiums earned                      
Direct                 34,028 17,794 5,329
Assumed                 1,465,701 1,356,205 1,191,375
Ceded                 (430,374) (422,950) (331,783)
Net premiums earned (Note 7) 283,651 262,623 244,416 278,665 199,109 229,224 217,175 305,541 1,069,355 951,049 864,921
Claims and claim expenses                      
Gross claims and claim expenses incurred                 403,491 1,270,487 178,422
Claims and claim expenses recovered                 (78,280) (409,308) (49,077)
Net claims and claim expenses incurred $ 186,893 $ 73,215 $ 49,551 $ 15,552 $ 3,551 $ 77,830 $ 151,261 $ 628,537 $ 325,211 $ 861,179 $ 129,345