PENSION PLAN AND OTHER BENEFIT PLANS, Part 1 (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Plan [Member]
Change in Projected Benefit Obligation [Roll Forward]
Benefit Obligation, beginning balance	$ 32,526,033	$ 28,319,596
Service cost, benefits earned during the year	1,073,938	993,364	903,538
Interest cost on projected benefit obligation	1,605,912	1,569,151	1,516,817
Actuarial loss	4,213,664	2,940,942
Benefits paid	(1,368,070)	(1,297,020)
Benefit obligation, ending balance	38,051,477	32,526,033	28,319,596
Change in plan assets [Roll Forward]
Fair value of plan assets, beginning balance	35,015,567	29,846,889
Actual return on plan assets	3,591,153	(1,534,302)
Employer contributions	0	8,000,000
Benefits paid	(1,368,070)	(1,297,020)
Fair value of plan assets, ending balance	37,238,650	35,015,567	29,846,889
Funded status [Abstract]
Funded (under funded) status	(812,827)	2,489,534
Postretirement Benefit Plan [Member]
Change in Projected Benefit Obligation [Roll Forward]
Benefit Obligation, beginning balance	1,391,822	1,315,379
Service cost, benefits earned during the year	39,000	35,000	33,000
Interest cost on projected benefit obligation	71,000	72,000	75,000
Participant Contributions	65,161	57,847
Actuarial loss	177,966	19,705
Benefits paid	(210,788)	(108,109)
Benefit obligation, ending balance	1,534,161	1,391,822	1,315,379
Change in plan assets [Roll Forward]
Fair value of plan assets, beginning balance	0	0
Employer contributions	145,627	50,262
Participant Contributions	65,161	57,847
Benefits paid	(210,788)	(108,109)
Fair value of plan assets, ending balance	0	0	0
Funded status [Abstract]
Funded (under funded) status	(1,534,161)	(1,391,822)
Executive Supplemental Pension Plan [Member]
Change in Projected Benefit Obligation [Roll Forward]
Benefit Obligation, beginning balance	1,069,490	989,053
Service cost, benefits earned during the year	34,770	30,625	30,113
Interest cost on projected benefit obligation	51,091	53,771	55,474
Actuarial loss	81,128	70,771
Benefits paid	(74,730)	(74,730)
Benefit obligation, ending balance	1,161,749	1,069,490	989,053
Change in plan assets [Roll Forward]
Fair value of plan assets, beginning balance		0
Employer contributions	74,730	74,730
Benefits paid	(74,730)	(74,730)
Fair value of plan assets, ending balance	0		0
Funded status [Abstract]
Funded (under funded) status	$ (1,161,479)	$ (1,069,490)