CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Unrealized appreciation on available- for-sale securities, tax	$ 325,334	$ 685,332	$ 809,433	$ 1,571,588
Reclassification adjustment for realized gains included in net income, tax	$ 135,755	$ 9,885	$ 314,904	$ 47,019