Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax liabilities:
Deferred policy acquisition costs	$ (8,719)	$ (7,894)
Net unrealized holding gain on investments	(5,622)	(5,047)
Agency relationship	(94)	(104)
Intangible assets	(6,852)	(7,738)
Goodwill	(116)	0
Fixed assets	(685)	(858)
Other	(275)	(400)
Total deferred tax liabilities	(22,363)	(22,041)
Deferred tax assets:
Unearned premiums	9,806	8,864
Alternative minimum tax	1,651	164
Amortization of non-compete agreements	476	536
Pension liability	1,591	1,604
Net operating loss carry-forward	702	1,070
Unpaid loss and loss adjustment expense	7,549	7,699
Goodwill	0	93
Rent reserve	363	223
Investment impairments	1,256	1,254
Other	909	399
Total deferred tax assets	24,303	21,906
Deferred federal income taxes, net	$ 1,940	$ (135)