Consolidated Balance Sheets - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Fixed maturities
Held to maturity, at amortized cost	$ 298,310,713	$ 307,391,699
Available for sale, at fair value	472,124,900	435,149,784
Equity securities, available for sale, at fair value	33,884,614	30,822,022
Investment in affiliates	39,201,882	39,283,924
Short-term investments, at cost, which approximates fair value	19,165,884	20,293,648
Total investments	862,687,993	832,941,077
Cash	36,902,337	35,578,509
Accrued investment income	5,917,754	5,751,376
Premiums receivable	147,259,636	133,306,961
Reinsurance receivable	259,756,736	253,635,890
Deferred policy acquisition costs	52,844,749	48,298,608
Deferred tax asset, net	18,581,805	17,146,303
Prepaid reinsurance premiums	118,829,535	115,871,783
Property and equipment, net	7,248,538	7,668,340
Federal income taxes recoverable	1,299,938	581,477
Goodwill	5,625,354	5,625,354
Other intangible assets	958,010	958,010
Other	1,532,241	1,290,956
Total assets	1,519,444,626	1,458,654,644
Liabilities
Unpaid losses and loss expenses	565,174,043	538,258,406
Unearned premiums	436,819,460	408,646,363
Accrued expenses	16,965,298	19,429,627
Reinsurance balances payable	5,182,219	7,841,172
Borrowings under lines of credit	47,500,000	53,500,000
Cash dividends declared		3,467,273
Subordinated debentures	5,000,000	5,000,000
Due to affiliate	1,484,392	2,409,347
Drafts payable	1,193,590	1,950,765
Other	2,981,503	2,017,048
Total liabilities	$ 1,082,300,505	$ 1,042,520,001
Stockholders' Equity
Preferred stock, $.01 par value, authorized 2,000,000 shares; none issued
Additional paid-in capital	$ 216,828,293	$ 200,348,783
Accumulated other comprehensive income	1,438,616	5,353,269
Retained earnings	232,592,944	223,253,887
Treasury stock	(14,006,357)	(13,101,682)
Total stockholders' equity	437,144,121	416,134,643
Total liabilities and stockholders' equity	1,519,444,626	1,458,654,644
Class A Common Stock [Member]
Stockholders' Equity
Common stock value	234,133	223,894
Total stockholders' equity	234,133	223,894
Class B Common Stock [Member]
Stockholders' Equity
Common stock value	56,492	56,492
Total stockholders' equity	$ 56,492	$ 56,492