Reinsurance (Life Insurance In Force) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Reinsurance [Abstract]      
Gross life insurance face amount in force $ 661,834,408 $ 612,238,145 $ 569,684,855
Assumed life insurance face amount in force 44,691,950 0 0
Reinsurance ceded (650,340,432) (557,559,303) (517,857,797)
Net life insurance face amount in force $ 56,185,926 $ 54,678,842 $ 51,827,058