Investments (Credit Losses Recognized in Earnings on Fixed Maturity Securities Held by the Company) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other Than Temporary Impairment Credit Losses Recognized In Earnings Roll Forward
Balance, beginning of period	$ 11,696	$ 14,773	$ 11,696	$ 16,675
Other Than Temporary Impairments Credit Losses On Securities Impaired To Fair Value	0	1,449	0	1,449
Credit loss impairments previously recognized on securities which were sold during the period	(4,412)	0	(4,412)	(1,902)
Balance, end of period	$ 7,284	$ 13,324	$ 7,284	$ 13,324