Summary of Investments (Narratives) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Investments [Line Items]
Trading securities	$ 20,693		$ 20,693		$ 12,427
Remaining potential contractual obligation	12,610		12,610
Credit loss OTTI	894	1,190	5,796	7,250
Equity Securities [Member] | Maximum [Member]
Schedule of Investments [Line Items]
Largest unrealized loss greater than 12 months on an individual security	52		52
Fixed Maturities [Member]
Schedule of Investments [Line Items]
Credit loss OTTI	$ 0	$ (139)	$ 0	$ (139)