Consolidated Balance Sheets - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Fixed maturities
Held to maturity, at amortized cost	$ 365,277,271	$ 336,100,948
Available for sale, at fair value	533,461,436	515,074,940
Equity securities, available for sale, at fair value	50,028,460	47,087,842
Investment in affiliate	39,339,820	37,884,918
Short-term investments, at cost, which approximates fair value	10,731,366	9,371,007
Total investments	998,838,353	945,519,655
Cash	31,541,139	24,587,214
Accrued investment income	6,951,728	6,295,513
Premiums receivable	163,425,210	159,389,667
Reinsurance receivable	283,579,561	263,028,008
Deferred policy acquisition costs	61,877,626	56,309,196
Deferred tax asset, net	18,413,751	19,043,413
Prepaid reinsurance premiums	137,810,229	124,255,495
Property and equipment, net	7,040,213	6,668,489
Accounts receivable-securities	61,446
Federal income taxes receivable	2,103,557	1,108,250
Due from affiliate		9,204,910
Goodwill	5,625,354	5,625,354
Other intangible assets	958,010	958,010
Other	1,260,508	1,137,863
Total assets	1,719,486,685	1,623,131,037
Liabilities
Unpaid losses and loss expenses	644,350,129	606,664,590
Unearned premiums	515,905,915	466,055,228
Accrued expenses	23,228,360	28,246,691
Reinsurance balances payable	5,682,000	4,369,528
Borrowings under lines of credit	69,000,000	69,000,000
Cash dividends declared to stockholders		3,622,821
Subordinated debentures	5,000,000	5,000,000
Accounts payable-securities	260,592
Due to affiliate	5,755,652
Other	1,577,826	1,556,859
Total liabilities	1,270,760,474	1,184,515,717
Stockholders' Equity
Preferred stock, $.01 par value, authorized 2,000,000 shares; none issued
Additional paid-in capital	243,628,904	236,851,709
Accumulated other comprehensive loss	(874,094)	(2,254,271)
Retained earnings	246,893,233	244,942,913
Treasury stock, at cost	(41,226,357)	(41,226,357)
Total stockholders' equity	448,726,211	438,615,320
Total liabilities and stockholders' equity	1,719,486,685	1,623,131,037
Class A Common Stock [Member]
Stockholders' Equity
Common stock value	248,033	244,834
Total stockholders' equity	248,033	244,834
Class B Common Stock [Member]
Stockholders' Equity
Common stock value	56,492	56,492
Total stockholders' equity	$ 56,492	$ 56,492