REINSURANCE (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 reinsurer	Dec. 31, 2012 reinsurer	Dec. 31, 2011
Reinsurance Transactions For Insurance Companies, by Product Segment [Line Items]
Number of significant nonaffiliated reinsurers	4
Total receivable amount from significant nonaffiliated reinsurers	$ 24,261,121	$ 16,783,964
Percentage of pool participation (in hundredths)	30.00%	30.00%	30.00%
Premiums written
Net premiums written	534,076,700	478,481,485	429,787,492
Premiums earned
Net premiums earned	515,506,266	458,845,999	416,402,313
Losses and settlement expenses incurred
Net losses and settlement expenses incurred	333,287,449	303,387,715	342,974,437
Number Of Mandatory Nonaffiliated Reinsurers	2	2
Affiliated Entity [Member]
Premiums written
Assumed	425,218,093	390,982,516	356,622,503
Ceded	(381,293,462)	(353,222,646)	(312,550,761)
Premiums earned
Assumed	412,664,850	377,690,009	344,668,820
Ceded	(373,770,967)	(340,143,627)	(294,204,197)
Losses and settlement expenses incurred
Assumed	268,491,476	238,685,469	264,949,941
Ceded	(237,931,382)	(201,207,682)	(263,463,355)
Non Affiliated Entity [Member]
Premiums written
Direct	368,532,466	341,306,420	301,829,277
Assumed	165,792,076	123,959,909	124,885,615
Ceded	(44,172,473)	(24,544,714)	(40,999,142)
Premiums earned
Direct	361,009,971	328,227,401	283,482,713
Assumed	155,253,408	121,799,066	123,606,518
Ceded	(39,650,996)	(28,726,850)	(41,151,541)
Losses and settlement expenses incurred
Direct	237,108,829	191,281,648	247,585,728
Assumed	83,134,965	85,705,548	124,299,622
Ceded	(17,516,439)	(11,077,268)	(30,397,499)
Property and casualty insurance [Member]
Reinsurance Transactions For Insurance Companies, by Product Segment [Line Items]
Percentage of pool participation (in hundredths)	30.00%	30.00%	30.00%
Premiums written
Net premiums written	405,048,854	371,235,457	333,294,142
Premiums earned
Net premiums earned	392,718,848	357,138,686	321,649,215
Losses and settlement expenses incurred
Net losses and settlement expenses incurred	260,917,009	233,892,280	251,449,247
Property and casualty insurance [Member] | Affiliated Entity [Member]
Premiums written
Assumed	425,218,093	390,982,516	356,622,503
Ceded	(368,532,466)	(341,306,420)	(301,829,277)
Premiums earned
Assumed	412,664,850	377,690,009	344,668,820
Ceded	(361,009,971)	(328,227,401)	(283,482,713)
Losses and settlement expenses incurred
Assumed	267,292,454	237,723,061	264,217,463
Ceded	(237,108,829)	(191,281,648)	(247,585,728)
Property and casualty insurance [Member] | Non Affiliated Entity [Member]
Premiums written
Direct	368,532,466	341,306,420	301,829,277
Assumed	3,501,067	2,459,427	1,610,872
Ceded	(23,670,306)	(22,206,486)	(24,939,233)
Premiums earned
Direct	361,009,971	328,227,401	283,482,713
Assumed	3,275,147	2,296,360	1,541,807
Ceded	(23,221,149)	(22,847,683)	(24,561,412)
Losses and settlement expenses incurred
Direct	237,108,829	191,281,648	247,585,728
Assumed	2,280,529	1,718,484	1,619,025
Ceded	(8,655,974)	(5,549,265)	(14,387,241)
Reinsurance [Member]
Premiums written
Net premiums written	129,027,846	107,246,028	96,493,350
Premiums earned
Net premiums earned	122,787,418	101,707,313	94,753,098
Losses and settlement expenses incurred
Net losses and settlement expenses incurred	72,370,440	69,495,435	91,525,190
Reinsurance [Member] | Affiliated Entity [Member]
Premiums written
Assumed	0	0	0
Ceded	(12,760,996)	(11,916,226)	(10,721,484)
Premiums earned
Assumed	0	0	0
Ceded	(12,760,996)	(11,916,226)	(10,721,484)
Losses and settlement expenses incurred
Assumed	1,199,022	962,408	732,478
Ceded	(822,553)	(9,926,034)	(15,877,627)
Reinsurance [Member] | Non Affiliated Entity [Member]
Premiums written
Direct	0	0	0
Assumed	162,291,009	121,500,482	123,274,743
Ceded	(20,502,167)	(2,338,228)	(16,059,909)
Premiums earned
Direct	0	0	0
Assumed	151,978,261	119,502,706	122,064,711
Ceded	(16,429,847)	(5,879,167)	(16,590,129)
Losses and settlement expenses incurred
Direct	0	0	0
Assumed	80,854,436	83,987,064	122,680,597
Ceded	$ (8,860,465)	$ (5,528,003)	$ (16,010,258)