XML 29 R86.htm IDEA: XBRL DOCUMENT v2.4.0.6
Quarterly Financial Information (Summary Of Quarterly Financial Information) (Details) (USD $)
In Thousands, except Per Share data, 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
Quarterly Financial Data [Abstract]                      
Net premiums earned $ 655,777 $ 646,084 $ 637,247 $ 635,812 $ 641,613 $ 643,626 $ 642,331 $ 638,487      
Change in fair value of investments pursuant to the fair value option (23,829) 44,783 (24,788) 49,343 54,100 (64,312) 20,597 20,904 45,509 31,289 46,580
Income (loss) before income taxes (39,161) 91,330 (18,853) 101,994 110,693 (18,118) 75,613 76,911 135,310 245,099 182,390
Net income $ (17,382) $ 66,201 $ (5,264) $ 73,356 $ 79,469 $ (3,782) $ 57,251 $ 58,226 $ 116,911 $ 191,164 $ 152,198
Basic (in dollars per share) $ (0.32) $ 1.21 $ (0.10) $ 1.34 $ 1.45 $ (0.07) $ 1.04 $ 1.06 $ 2.13 $ 3.49 $ 2.78
Diluted (in dollars per share) $ (0.32) $ 1.21 $ (0.10) [1] $ 1.34 $ 1.45 $ (0.07) [1] $ 1.04 $ 1.06 $ 2.13 $ 3.49 $ 2.78
Dividends paid per share $ 0.6125 $ 0.61 $ 0.61 $ 0.61 $ 0.61 $ 0.6 $ 0.60 $ 0.60 $ 0.6125 $ 0.61  
[1] The dilutive impact of incremental shares is excluded from loss position in accordance with GAAP.