Investments Cost, Gross Unrealized Gains, Losses and Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	$ 114,695	$ 107,095
Fair Value	118,102	110,641
Obligations of the U.S. Treasury and U.S. Government agencies [Member}
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	26,779	22,424
Gross Unrealized Gains	654	761
Gross Unrealized Losses	(54)	(7)
Fair Value	27,379	23,178
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	18,407	16,636
Gross Unrealized Gains	399	413
Gross Unrealized Losses	(29)	(8)
Fair Value	18,777	17,041
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	69,254	67,627
Gross Unrealized Gains	2,585	2,461
Gross Unrealized Losses	(150)	(80)
Fair Value	71,689	70,008
Mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	195	285
Gross Unrealized Gains	1	4
Gross Unrealized Losses	0	0
Fair Value	196	289
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	60	123
Gross Unrealized Gains	1	2
Gross Unrealized Losses	0	0
Fair Value	61	125
Total Fixed Maturity Securites [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	114,695	107,095
Gross Unrealized Gains	3,640	3,641
Gross Unrealized Losses	(233)	(95)
Fair Value	118,102	110,641
Common Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	39	39
Gross Unrealized Gains	5	3
Gross Unrealized Losses	0	0
Fair Value	44	42
Preferred Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	5,975	4,975
Gross Unrealized Gains	212	133
Gross Unrealized Losses	(1)	(1)
Fair Value	6,186	5,107
Common stock, non-publicly traded [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	59	59
Gross Unrealized Gains	4	4
Gross Unrealized Losses	(5)	(5)
Fair Value	58	58
Preferred stock, non-publicly traded [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	1,009	1,009
Gross Unrealized Gains	4	4
Gross Unrealized Losses	0	0
Fair Value	1,013	1,013
Total Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost or Amortized Cost	7,082	6,082
Gross Unrealized Gains	225	144
Gross Unrealized Losses	(6)	(6)
Fair Value	$ 7,301	$ 6,220