Investments Gains and Losses by Security Type (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gain (Loss)	$ 14	$ (12)
Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	123	42
Available-for-sale, Gross Realized Gains, Fair Value at Sale	1,925	12,105
Available-for-sale Securities, Gross Realized Losses	(109)	(54)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	2,180	16,996
Available-for-sale Securities, Gross Realized Gain (Loss)	14	(12)
Available-for-sale, Gross Realized Gains (Losses), Fair Value at Sale	4,105	29,101
Fixed Maturities [Member] | Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	21	24
Available-for-sale, Gross Realized Gains, Fair Value at Sale	1,120	12,000
Available-for-sale Securities, Gross Realized Losses	38	54
Available-for-sale, Gross Realized Losses, Fair Value at Sale	1,190	16,996
Equity Securities [Member] | Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	102	18
Available-for-sale, Gross Realized Gains, Fair Value at Sale	805	105
Available-for-sale Securities, Gross Realized Losses	71	0
Available-for-sale, Gross Realized Losses, Fair Value at Sale	$ 990	$ 0