Investments (Other Than Temporary Impairments by Asset Type) (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 Securities
Other than Temporary Impairment Losses, Investments [Abstract]
Other than temporary impairment, number of securities				9
Total OTTI losses	$ 0	$ (2,775)	$ 0	$ (4,964)
Portion of OTTI losses recognized from other comprehensive income	(594)	0	(1,499)	(1,048)
Net OTTI losses recognized in operations	(594)	(2,775)	(1,499)	(6,012)
Residential Mortgage Backed Securities [Member]
Other than Temporary Impairment Losses, Investments [Abstract]
Other than temporary impairment, number of securities	3		5	5
Total OTTI losses	0		0	0
Portion of OTTI losses recognized from other comprehensive income	(594)		(1,499)	(1,048)
Net OTTI losses recognized in operations	(594)		(1,499)	(1,048)
United States Government Sponsored Agencies [Member]
Other than Temporary Impairment Losses, Investments [Abstract]
Other than temporary impairment, number of securities		2		2
Total OTTI losses		(2,775)		(2,775)
Portion of OTTI losses recognized from other comprehensive income		0		0
Net OTTI losses recognized in operations		(2,775)		(2,775)
Corporate Securities [Member] | Industrial [Member]
Other than Temporary Impairment Losses, Investments [Abstract]
Other than temporary impairment, number of securities				1
Total OTTI losses				(1,761)
Portion of OTTI losses recognized from other comprehensive income				0
Net OTTI losses recognized in operations				(1,761)
Equity Securities [Member] | Industrial [Member]
Other than Temporary Impairment Losses, Investments [Abstract]
Other than temporary impairment, number of securities				1
Total OTTI losses				(428)
Portion of OTTI losses recognized from other comprehensive income				0
Net OTTI losses recognized in operations				$ (428)