Consolidated Balance Sheets (USD $)	Sep. 30, 2014	Dec. 31, 2013
Fixed maturities
Held to maturity, at amortized cost	$ 308,941,155	$ 240,370,277
Available for sale, at fair value	431,621,301	403,651,965
Equity securities, available for sale, at fair value	30,087,270	12,422,837
Investments in affiliates	38,837,543	35,685,433
Short-term investments, at cost, which approximates fair value	16,432,960	99,677,795
Total investments	825,920,229	791,808,307
Cash	30,997,755	27,636,416
Accrued investment income	6,284,941	5,423,531
Premiums receivable	139,566,959	123,904,629
Reinsurance receivable	251,811,903	244,239,113
Deferred policy acquisition costs	49,081,580	43,627,510
Deferred tax asset, net	17,286,666	20,310,558
Prepaid reinsurance premiums	121,161,774	112,663,942
Property and equipment, net	7,698,400	6,424,703
Accounts receivable - securities		1,187,866
Federal income taxes recoverable		420,952
Goodwill	5,625,354	5,625,354
Other intangible assets	958,010	958,010
Other	1,328,821	1,179,611
Total assets	1,457,722,392	1,385,410,502
Liabilities
Unpaid losses and loss expenses	520,102,584	495,619,269
Unearned premiums	422,802,436	382,734,642
Accrued expenses	16,961,029	19,265,097
Reinsurance balances payable	10,444,913	17,948,808
Borrowings under lines of credit	56,000,000	58,000,000
Cash dividends declared		3,299,182
Subordinated debentures	5,000,000	5,000,000
Accounts payable - securities	5,254,305	751,641
Federal income taxes payable	1,000,264
Due to affiliate	248,500	2,170,225
Drafts payable	2,438,214	1,386,285
Other	2,526,234	2,358,242
Total liabilities	1,042,778,479	988,533,391
Stockholders' Equity
Preferred stock, $.01 par value, authorized 2,000,000 shares; none issued
Additional paid-in capital	197,753,459	189,116,410
Accumulated other comprehensive income (loss)	4,222,095	(2,312,890)
Retained earnings	225,790,998	222,888,887
Treasury stock	(13,101,682)	(13,089,656)
Total stockholders' equity	414,943,913	396,877,111
Total liabilities and stockholders' equity	1,457,722,392	1,385,410,502
Class A common stock [Member]
Stockholders' Equity
Common stock value	222,551	217,868
Total stockholders' equity	222,551	217,868
Class B common stock [Member]
Stockholders' Equity
Common stock value	56,492	56,492
Total stockholders' equity	$ 56,492	$ 56,492