Investments (Details Textuals 2) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Investments [Abstract]
Equity Securities Holdings Exposure In Single Issuer Greater Than Stated Percentage Of Companys Equity	10.00%	10.00%
Equity Securities Holdings Exposure Amount Of Single Issuer Greater Than Stated Percentage Of Companys Equity	$ 0	$ 0
Fixed maturity securities exposure to single issuer greater than a stated percentage of stockholders' equity	10.00%	10.00%
Fixed maturity securities exposure amount to single issuer greater than 10% of the Company's stockholders' equity other than the U.S. and Mexican government securities	$ 0	$ 0