CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 8,731,056	$ 11,022,240	$ 10,537,755
Other comprehensive income
Unrealized holding (losses) gains on securities available for sale	(3,228,298)	410,834	4,797,422
Reclassification adjustment for other-than-temporary losses realized in net income	29,025	0	0
Reclassification adjustment gains realized in net income	(16,379)	(300,516)	(1,108,091)
Net unrealized (losses) gains	(3,215,652)	110,318	3,689,331
Tax effect	1,236,097	(74,583)	(1,363,289)
Net of tax amount	(1,979,555)	35,735	2,326,042
Change in funded status of defined benefit pension plan and other benefit plans:
Net gain (loss) arising during the period	6,486,975	(3,624,214)	(6,908,392)
Reclassification adjustment for amortization of prior service costs	(83,144)	(83,144)	(67,127)
Reclassification adjustment for amortization of net actuarial	1,623,567	1,431,064	715,885
Total before tax effect	8,027,398	(2,276,294)	(6,259,634)
Tax effect	(3,085,733)	875,008	2,389,739
Net of tax amount	4,941,665	(1,401,286)	(3,869,895)
Total other comprehensive income (loss)	2,962,110	(1,365,551)	(1,543,853)
Comprehensive income	$ 11,693,166	$ 9,656,689	$ 8,993,902