Consolidated Statements of Changes in Stockholders' Equity (USD $)	Total	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
BALANCE at Dec. 31, 2011	$ 34,526,510	$ 8,314,070	$ 6,288,403	$ 16,920,319	$ (228,100)	$ 3,231,818
BALANCE, SHARES at Dec. 31, 2011		1,662,814
Comprehensive income:
Net income	1,622,860			1,622,860
Other comprehensive income (loss)	748,258					748,258
Cash dividend ($.57 and $.55 per share for period September 30, 2013 and 2012 respectively)	(942,104)			(942,104)
BALANCE at Sep. 30, 2012	35,955,524	8,314,070	6,288,403	17,601,075	(228,100)	3,980,076
BALANCE, SHARES at Sep. 30, 2012		1,662,814
BALANCE at Dec. 31, 2012	35,702,773	8,643,650	6,966,020	17,191,740	(228,100)	3,129,463
BALANCE, SHARES at Dec. 31, 2012		1,728,730
Comprehensive income:
Net income	1,186,723			1,186,723
Other comprehensive income (loss)	(4,197,240)					(4,197,240)
Cash dividend ($.57 and $.55 per share for period September 30, 2013 and 2012 respectively)	(979,676)			(979,676)
BALANCE at Sep. 30, 2013	$ 31,712,580	$ 8,643,650	$ 6,966,020	$ 17,398,787	$ (228,100)	$ (1,067,777)
BALANCE, SHARES at Sep. 30, 2013		1,728,730