Consolidated Balance Sheets - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Fixed maturities
Held to maturity, at amortized cost	$ 377,497,098	$ 366,655,077
Available for sale, at fair value	525,416,962	538,946,050
Equity securities, at fair value	51,030,073	50,445,243
Investment in affiliate	38,769,448	38,773,420
Short-term investments, at cost, which approximates fair value	9,452,115	11,049,915
Total investments	1,002,165,696	1,005,869,705
Cash	40,795,824	37,833,435
Accrued investment income	6,926,360	6,553,121
Premiums receivable	163,219,349	160,406,432
Reinsurance receivable	313,541,534	298,342,563
Deferred policy acquisition costs	62,379,098	60,289,860
Deferred tax asset, net	8,809,336	7,128,843
Prepaid reinsurance premiums	142,106,426	135,032,641
Property and equipment, net	7,237,338	7,280,415
Accounts receivable-securities	9,040	180,525
Federal income taxes receivable	19,088,695	10,935,105
Goodwill	5,625,354	5,625,354
Other intangible assets	958,010	958,010
Other	1,177,049	1,483,769
Total assets	1,774,039,109	1,737,919,778
Liabilities
Unpaid losses and loss expenses	727,562,898	676,671,727
Unearned premiums	524,021,436	503,456,541
Accrued expenses	21,130,505	28,033,776
Reinsurance balances payable	6,031,834	4,116,159
Borrowings under lines of credit	59,000,000	59,000,000
Cash dividends declared to stockholders		3,841,820
Subordinated debentures	5,000,000	5,000,000
Due to affiliate	4,192,276	7,314,368
Other	1,746,446	1,789,283
Total liabilities	1,348,685,395	1,289,223,674
Stockholders' Equity
Preferred stock, $.01 par value, authorized 2,000,000 shares; none issued
Additional paid-in capital	257,035,648	255,401,558
Accumulated other comprehensive loss	(15,513,406)	(2,684,275)
Retained earnings	224,745,078	236,893,041
Treasury stock, at cost	(41,226,357)	(41,226,357)
Total stockholders' equity	425,353,714	448,696,104
Total liabilities and stockholders' equity	1,774,039,109	1,737,919,778
Class A Common Stock [Member]
Stockholders' Equity
Common stock value	256,259	255,645
Total stockholders' equity	256,259	255,645
Class B Common Stock [Member]
Stockholders' Equity
Common stock value	56,492	56,492
Total stockholders' equity	$ 56,492	$ 56,492