Reinsurance Effects of Reinsurance on Losses (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Insurance [Abstract]
Net Direct Unpaid Losses and LAE	$ 34,503	$ 30,501
Net Assumed Unpaid Losses and LAE	1,189	3,099
Liability for Unpaid Claims and Claims Adjustment Expense, Gross	35,692	33,600
Net Ceded Unpaid Losses and LAE	(1,935)	(3,318)
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims Current Year	57,739	43,019	41,527
Liability for Unpaid Claims and Claims Adjustment Expense, Net	33,757	30,282	23,600	20,665
Direct Unearned Premiums, Net	128,785	100,042
Assumed Unearned Premiums, Net	0	88
Unearned Premiums, Gross	128,785	100,130
Ceded Unearned Premiums, Net	(49,916)	(40,968)
Unearned Premiums, Net	$ 78,869	$ 59,162