Investments Gains and Losses by Security Type (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gain (Loss)	$ (69,000)	$ (38,000)	$ (24,000)	$ (199,000)
Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	4,000	2,000	197,000	61,000
Available-for-sale, Gross Realized Gains, Fair Value at Sale	44,357,000	6,007,000	112,528,000	20,289,000
Available-for-sale Securities, Gross Realized Losses	(73,000)	(40,000)	(221,000)	(260,000)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	2,270,000	4,078,000	5,836,000	42,753,000
Available-for-sale Securities, Gross Realized Gain (Loss)	(69,000)	(38,000)	(24,000)	(199,000)
Available-for-sale, Gross Realized Gains (Losses), Fair Value at Sale	46,627,000	10,085,000	118,364,000	63,042,000
Fixed Maturities [Member] | Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	2,000	2,000	23,000	30,000
Available-for-sale, Gross Realized Gains, Fair Value at Sale	333,000	6,007,000	1,453,000	20,134,000
Available-for-sale Securities, Gross Realized Losses	(73,000)	(40,000)	(150,000)	(258,000)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	2,270,000	4,078,000	4,823,000	42,725,000
Equity Securities [Member] | Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	2,000	0	174,000	31,000
Available-for-sale, Gross Realized Gains, Fair Value at Sale	44,024,000	0	111,075,000	155,000
Available-for-sale Securities, Gross Realized Losses	0	0	(71,000)	(2,000)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	$ 0	$ 0	$ 1,013,000	$ 28,000