Statement - Consolidated Statements of Shareholders' Equity and Comprehensive Income (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Dividends per common share	$ 0.2	$ 0.2
Common Stock
Dividends per common share	$ 0.20	$ 0.20
Accumulated Other Comprehensive Income
Tax effect of unrealized gain (loss) on securities	$ 512,184	$ 136,116
Tax effect of reclassification adjustment for gains included in income	$ 21,529