Condensed Parent Information (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
ASSETS
Investment in subsidiary	$ 3,000,000
Other assets	7,790,634	9,395,721
Total assets	443,446,400	422,655,382
LIABILITIES AND STOCKHOLDERS' EQUITY
Other borrowings	2,175,000	3,045,000
Total liabilities	402,557,564	387,447,077
Stockholders' equity	40,888,836	35,208,305	25,819,153	27,837,479
Total liabilities and stockholders' equity	443,446,400	422,655,382
Parent [Member]
ASSETS
Cash	5,341,137	919,561
Investment in subsidiary	37,417,245	35,309,068
Other assets	416,104	2,067,839
Total assets	43,174,486	38,296,468
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities	110,650	43,163
Other borrowings	2,175,000	3,045,000
Total liabilities	2,285,650	3,088,163
Stockholders' equity	40,888,836	35,208,305
Total liabilities and stockholders' equity	$ 43,174,486	$ 38,296,468