Interim Statements Of Financial Position (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Interim Statements Of Financial Position [Abstract]
Fixed maturities available for sale, amortized cost	$ 5,021,304	$ 4,964,264
Equity securities available for sale, amortized cost	$ 3,316	$ 14,484
Common stock, par value	$ 100	$ 100
Common stock, shares authorized	25,000	25,000
Common stock, shares issued	25,000	25,000
Common stock, shares outstanding	25,000	25,000