Investments Gains and Losses by Security Type (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gain (Loss)	$ 31,000	$ (149,000)	$ 45,000	$ (161,000)
Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	70,000	17,000	193,000	59,000
Available-for-sale, Gross Realized Gains, Fair Value at Sale	66,246,000	2,177,000	68,171,000	14,282,000
Available-for-sale Securities, Gross Realized Losses	(39,000)	(166,000)	(148,000)	(220,000)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	1,386,000	21,679,000	3,566,000	38,675,000
Available-for-sale Securities, Gross Realized Gain (Loss)	31,000	(149,000)	45,000	(161,000)
Available-for-sale, Gross Realized Gains (Losses), Fair Value at Sale	67,632,000	23,856,000	71,737,000	52,957,000
Fixed Maturities [Member] | Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	0	4,000	21,000	28,000
Available-for-sale, Gross Realized Gains, Fair Value at Sale	0	2,127,000	1,120,000	14,127,000
Available-for-sale Securities, Gross Realized Losses	(39,000)	(164,000)	(77,000)	(218,000)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	1,363,000	21,651,000	2,553,000	38,647,000
Equity Securities [Member] | Quarter to Date [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	70,000	13,000	172,000	31,000
Available-for-sale, Gross Realized Gains, Fair Value at Sale	66,246,000	50,000	67,051,000	155,000
Available-for-sale Securities, Gross Realized Losses	0	(2,000)	(71,000)	(2,000)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	$ 23,000	$ 28,000	$ 1,013,000	$ 28,000