Consolidated Balance Sheets - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Fixed maturities
Held to maturity, at amortized cost	$ 434,458,088	$ 402,798,518
Available for sale, at fair value	569,749,979	526,558,304
Equity securities, at fair value	46,767,296	43,667,009
Investment in affiliate		41,025,975
Short-term investments, at cost, which approximates fair value	24,452,789	16,748,760
Total investments	1,075,428,152	1,030,798,566
Cash	35,945,567	52,594,461
Accrued investment income	7,298,206	6,561,199
Premiums receivable	176,257,781	156,702,250
Reinsurance receivable	357,629,286	343,369,065
Deferred policy acquisition costs	64,274,476	60,615,127
Deferred tax asset, net	9,503,034	13,069,755
Prepaid reinsurance premiums	143,969,376	135,379,777
Property and equipment, net	4,673,096	4,690,704
Accounts receivable—securities	170,470	261,829
Federal income taxes receivable	16,959,666	19,032,604
Goodwill	5,625,354	5,625,354
Other intangible assets	958,010	958,010
Other	2,590,138	2,419,566
Total assets	1,901,282,612	1,832,078,267
Liabilities
Unpaid losses and loss expenses	845,282,435	814,665,224
Unearned premiums	535,999,385	506,528,606
Accrued expenses	25,180,277	25,442,146
Reinsurance balances payable	2,545,976	3,882,193
Borrowings under lines of credit	35,000,000	60,000,000
Cash dividends declared to stockholders		3,948,484
Subordinated debentures	5,000,000	5,000,000
Accounts payable—securities	5,222,537	1,003,810
Due to affiliate	6,010,121	10,874,540
Other	3,188,157	1,863,363
Total liabilities	1,463,428,888	1,433,208,366
Stockholders' Equity
Preferred stock, $.01 par value, authorized 2,000,000 shares; none issued
Additional paid-in capital	264,320,325	261,258,423
Accumulated other comprehensive loss	(1,837,379)	(14,228,059)
Retained earnings	216,280,947	192,751,208
Treasury stock, at cost	(41,226,357)	(41,226,357)
Total stockholders' equity	437,853,724	398,869,901
Total liabilities and stockholders' equity	1,901,282,612	1,832,078,267
Class A Common Stock [Member]
Stockholders' Equity
Common stock value	259,696	258,194
Total stockholders' equity	259,696	258,194
Class B Common Stock [Member]
Stockholders' Equity
Common stock value	56,492	56,492
Total stockholders' equity	$ 56,492	$ 56,492