Investments (Allowance for Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015		Dec. 31, 2014		Mar. 31, 2014
Allowance For Losses On Commermcial Mortgage And Other Loans [Line Items]
Allowance for Losses, Beginning Balance	$ 4,154	[1]	$ 8,904
Addition To / (Release of) Allowance For Losses	151		1,832
Charge Off Net Of Recoveries	0		(2,918)
Allowance for Losses, Ending Balance	4,003	[1]	4,154	[1]
Agricultural Property Loans [Member]
Allowance For Losses On Commermcial Mortgage And Other Loans [Line Items]
Allowance for Losses, Beginning Balance					100
Allowance for Losses, Ending Balance	$ 100				$ 100

[1]  _____________ Agricultural loans represent $0.1 million of the ending allowance at both March 31, 2015 and December 31, 2014.