Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investments:
Fixed maturity securities-held-to-maturity, at amortized cost (fair value $716,856 and $664,371 in 2015 and 2014, respectively)	$ 698,513	$ 639,631
Fixed maturity securities-available-for-sale, at fair value (cost $341,591 and $327,004 in 2015 and 2014, respectively)	344,659	331,242
Equity securities-available-for-sale, at fair value (cost $0 in 2015 and 2014)	28	28
Short-term investments	6,826	33,684
Other investments	11,695	11,748
Total investments	1,061,721	1,016,333
Cash and cash equivalents	61,589	90,956
Amounts recoverable from reinsurers	90,163	85,888
Premiums receivable, net of allowance	203,101	178,917
Deferred income taxes	32,301	31,231
Accrued interest receivable	11,622	11,637
Property and equipment, net	7,105	7,240
Deferred policy acquisition costs	21,390	19,649
Federal income tax recoverable		1,082
Other assets	45,119	14,287
Total assets	1,534,111	1,457,220
Liabilities:
Reserves for loss and loss adjustment expenses	715,145	687,602
Unearned premiums	179,945	168,576
Reinsurance premiums payable	217	843
Amounts held for others	46,338	42,827
Policyholder deposits	47,506	48,722
Insurance-related assessments	33,400	29,315
Federal income tax payable	1,060
Accounts payable and other liabilities	29,110	30,110
Payable for investments purchased	8,592	2,257
Total liabilities	1,061,313	1,010,252
Shareholders' equity:
Voting-$0.01 par value authorized shares-50,000,000 in 2015 and 2014; 20,268,042 and 20,155,936 shares issued and 19,009,792 and 18,897,686 shares outstanding in 2015 and 2014, respectively	202	201
Additional paid-in capital	201,934	199,138
Treasury stock at cost (1,258,250 shares in 2015 and 2014)	(22,370)	(22,370)
Accumulated earnings	290,980	267,189
Accumulated other comprehensive income, net	2,052	2,810
Total shareholders' equity	472,798	446,968
Total liabilities and shareholders' equity	$ 1,534,111	$ 1,457,220