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
Credit losses recognized in earnings on fixed maturity securities
Balance, beginning of period	$ 1,271	$ 94	$ 86	$ 93
Credit loss impairments previously recognized on securities which matured, paid down, prepaid or were sold during the period	(1,841)	(3)	(1,844)	(8)
Credit loss impairments previously recognized on securities impaired to fair value during the period	0		1,189
Additional credit loss impairments recognized in the current period on securities previously impaired		11		20
Increases due to the passage of time on previously recorded credit losses	6	0	6	0
Accretion of credit loss impairments previously recognized due to an increase in cash flows expected to be collected	0	(4)	(1)	(7)
Assets transferred to parent and affiliates	607	0	607	0
Balance, end of period	$ 43	$ 98	$ 43	$ 98