Investments (Major Categories of Investment Gains and Losses) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Gain (Loss) on Investments [Line Items]
Net realized investment gains	$ 4,439	$ 2,790
Fixed Maturities [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains	(95)	539
Equity Securities [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains	1,219	2,263
Trading Securities [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains	0	2
Other, Principally Real Estate [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains	3,315	73
Other-than-Temporary Impairment [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains	$ 0	$ (87)