Investments (Credit Losses Recognized In Earnings on Fixed Maturity Securities Held by the Company) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	$ 5,858	$ 8,628	$ 7,041	$ 8,729
Credit loss impairments previously recognized on securities which matured, paid down, prepaid or were sold during the period	(229)	(69)	(1,136)	(133)
Credit loss impairments previously recognized on securities impaired to fair value during the period	670	0	0	0
Credit loss impairments recognized in the current period on securities not previously impaired	102	0	522	0
Additional credit loss impairments recognized in the current period on securities previously impaired	6	15	6	27
Increases due to the passage of time on previously recorded credit losses	32	40	85	77
Accretion of credit loss impairments previously recognized due to an increase in cash flows expected to be collected	(231)	(58)	(310)	(144)
Assets transferred to parent and affiliates	(658)		(658)
Balance, end of period	$ 5,550	$ 8,556	$ 5,550	$ 8,556