Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Assets
Fixed maturity securities-held-to-maturity, at amortized cost (fair value $676,050 and $683,463 in 2011 and 2010, respectively)	$ 648,333	$ 663,345
Fixed maturity securities-available-for-sale, at fair value (cost $53,167 and $21,865 in 2011 and 2010, respectively)	53,884	21,649
Equity securities-available-for-sale, at fair value (cost $1,090 and $1,687 in 2011 and 2010, respectively)	1,090	1,773
Short-term investments	63,508	78,770
Total investments	766,815	765,537
Cash and cash equivalents	62,044	60,966
Amounts recoverable from reinsurers	94,187	95,133
Premiums receivable, net	140,460	122,618
Deferred income taxes	30,657	31,512
Accrued interest receivable	8,377	7,704
Property and equipment, net	7,334	7,547
Deferred policy acquisition costs	19,885	17,400
Deferred charges	3,324	2,936
Federal income tax recoverable	3,808	2,293
Other assets	15,657	14,488
Total assets	1,152,548	1,128,134
Liabilities and shareholders' equity
Reserves for loss and loss adjustment expenses	527,047	532,204
Unearned premiums	128,449	111,494
Reinsurance premiums payable	847	7
Amounts held for others	26,053	22,667
Policyholder deposits	37,755	39,187
Insurance-related assessments	36,574	33,898
Securities payable		6,718
Accounts payable and other liabilities	22,520	20,646
Subordinated debt securities	36,090	36,090
Total liabilities	815,335	802,911
Shareholders' equity:
Voting-$0.01 par value authorized shares-50,000,000 in 2011 and 2010; 19,287,912 and 19,060,649 shares issued and 18,420,242 and 18,352,041 shares outstanding in 2011 and 2010, respectively	193	191
Additional paid-in capital	183,836	180,884
Treasury stock at cost (867,670 and 708,608 shares in 2011 and 2010, respectively)	(14,961)	(12,102)
Accumulated earnings	167,181	155,985
Accumulated other comprehensive income, net	964	265
Total shareholders' equity	337,213	325,223
Total liabilities and shareholders' equity	$ 1,152,548	$ 1,128,134