Investments, Part III (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Schedule of investments aggregated by industry [Abstract]
Carrying Value	$ 241,129	$ 228,961
Amortized Cost	222,448	219,417
Unrealized Gains (Losses)	18,681	9,544
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	9,976	105,821
12 months or longer	26,199	6,938
Total	36,175	112,759
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	112	4,542
12 months or longer	1,350	1,264
Total	1,462	5,806
U.S. Treasury securities and obligations of U.S. Government agencies and authorities [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	24,599	17,240
Amortized Cost	23,879	16,874
Unrealized Gains (Losses)	720	366
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	1,277	8,326
12 months or longer	2,695	0
Total	3,972	8,326
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	1	210
12 months or longer	30	0
Total	31	210
Obligations of states and political subdivisions [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	8,062	7,611
Amortized Cost	7,217	7,226
Unrealized Gains (Losses)	845	385
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months		1,018
12 months or longer		0
Total		1,018
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months		17
12 months or longer		0
Total		17
Utilities and telecom [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	16,349	18,006
Amortized Cost	13,591	16,150
Unrealized Gains (Losses)	2,758	1,856
Financial services [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	64,754	58,451
Amortized Cost	60,539	57,118
Unrealized Gains (Losses)	4,215	1,333
Other business - diversified [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	74,074	70,504
Amortized Cost	71,266	72,409
Unrealized Gains (Losses)	2,808	(1,905)
Other consumer - diversified [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	46,715	51,381
Amortized Cost	39,380	43,872
Unrealized Gains (Losses)	7,335	7,509
Other Investment [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	6,576	5,768
Amortized Cost	6,576	5,768
Unrealized Gains (Losses)	0	0
Corporate securities [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	8,699	92,049
12 months or longer	20,635	6,938
Total	29,334	98,987
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	111	3,714
12 months or longer	1,189	1,264
Total	1,300	4,978
Redeemable preferred stocks [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months		704
12 months or longer		0
Total		704
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months		41
12 months or longer		0
Total		41
Common and non-redeemable preferred stocks [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	0	3,724
12 months or longer	2,869	0
Total	2,869	3,724
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	0	560
12 months or longer	131	0
Total	$ 131	$ 560