Consolidated Statement of Comprehensive Income (unaudited) (Parenthetical) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Unrealized gains (losses) on securities
Unrealized holding losses arising during the period, tax	$ 778,849	$ 957,250	$ 496,998	$ 1,025,534
Reclassification adjustment for gains recognized in income, net	$ 261,621	$ 17,325	$ 368,515	$ 17,325