Fair Value (Schedule Of Gain (Loss) Due To Change In Fair Value Level 3 Assets) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Level 3 liabilities			$ 0	$ 0
Impact on income relating to Level 3 securities			0	0
Corporate [Member] | Level 3 [Member] | Fixed Maturities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized investment gains	100,000		100,000	100,000
Total	100,000		100,000	100,000
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other-than-temporary impairments			(500,000)	(300,000)
Net realized investment gains	100,000	100,000	100,000	200,000
Total	100,000	100,000	(400,000)	(100,000)
Level 3 [Member] | Asset Backed [Member] | Fixed Maturities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized investment gains		100,000		100,000
Total		100,000		100,000
Level 3 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other-than-temporary impairments			(500,000)	(300,000)
Total			$ (500,000)	$ (300,000)