Investments, Part III (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Schedule of investments aggregated by industry [Abstract]
Carrying Value	$ 229,932	$ 228,961
Amortized Cost	219,056	219,417
Unrealized Gains (Losses)	10,876	9,544
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	52,734	105,821
12 months or longer	7,682	6,938
Total	60,416	112,759
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	2,144	4,542
12 months or longer	1,020	1,264
Total	3,164	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	21,458	17,240
Amortized Cost	20,754	16,874
Unrealized Gains (Losses)	704	366
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	6,532	8,326
12 months or longer	499	0
Total	7,031	8,326
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	80	210
12 months or longer	8	0
Total	88	210
Obligations of states and political subdivisions [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	7,925	7,611
Amortized Cost	7,222	7,226
Unrealized Gains (Losses)	703	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	15,877	18,006
Amortized Cost	13,589	16,150
Unrealized Gains (Losses)	2,288	1,856
Financial services [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	62,172	58,451
Amortized Cost	59,633	57,118
Unrealized Gains (Losses)	2,539	1,333
Other business - diversified [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	71,113	70,504
Amortized Cost	70,382	72,409
Unrealized Gains (Losses)	731	(1,905)
Other consumer - diversified [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	45,740	51,381
Amortized Cost	41,829	43,872
Unrealized Gains (Losses)	3,911	7,509
Other Investment [Member]
Schedule of investments aggregated by industry [Abstract]
Carrying Value	5,647	5,768
Amortized Cost	5,647	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	42,007	92,049
12 months or longer	7,183	6,938
Total	49,190	98,987
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	1,747	3,714
12 months or longer	1,012	1,264
Total	2,759	4,978
Redeemable preferred stocks [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	488	704
12 months or longer	0	0
Total	488	704
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	8	41
12 months or longer	0	0
Total	8	41
Common and non-redeemable preferred stocks [Member]
Available-for-sale securities, continuous unrealized loss position, Fair Value [Abstract]
Less than 12 months	3,707	3,724
12 months or longer	0	0
Total	3,707	3,724
Available-for-sale securities, continuous unrealized loss position, Unrealized Losses [Abstract]
Less than 12 months	309	560
12 months or longer	0	0
Total	$ 309	$ 560