Reconciliation of Statutory Filings to Amounts Reported Herein (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reconciliation of statutory net income loss and capital and surplus
Statutory net income (loss) of insurance subsidiaries									$ 17,534,586	$ (4,732,784)	$ 9,163,680
Increases (decreases):
Deferred policy acquisition costs									3,696,742	1,979,376	1,601,400
Deferred federal income taxes									(1,151,250)	5,922,490	2,380,430
Salvage and subrogation recoverable									772,600	1,273,000	748,000
Amortization of MICO fair value adjustments									(5,416)	(3,275,777)	(597,643)
Consolidating eliminations and adjustments									(5,421,779)	(15,080,164)	(12,178,977)
Parent-only net income									7,667,137	14,366,812	10,350,289
Net income	6,220,022	6,839,384	2,023,067	8,010,147	(878,920)	819,926	(1,693,989)	2,205,936	23,092,620	452,953	11,467,179
Statutory capital and surplus of insurance subsidiaries	361,968,384				349,911,429				361,968,384	349,911,429	371,871,702
Increases (decreases):
Deferred policy acquisition costs	40,121,697				36,424,955				40,121,697	36,424,955	34,445,579
Deferred federal income taxes	(25,682,004)				(21,007,223)				(25,682,004)	(21,007,223)	(14,834,855)
Salvage and subrogation recoverable	12,000,600				11,228,000				12,000,600	11,228,000	9,955,000
Non-admitted assets and other adjustments, net	2,005,603				1,478,988				2,005,603	1,478,988	4,889,231
Fixed maturities	39,607,340				33,165,065				39,607,340	33,165,065	4,430,879
Parent-only equity and other adjustments	(29,987,526)				(27,749,622)				(29,987,526)	(27,749,622)	(30,654,726)
Total stockholders' equity	$ 400,034,094				$ 383,451,592				$ 400,034,094	$ 383,451,592	$ 380,102,810	$ 385,505,699