SHAREHOLDERS' EQUITY (Details) (USD $)	1 Months Ended	3 Months Ended
	Dec. 31, 2008	Mar. 31, 2013	Dec. 31, 2012	Dec. 19, 2008
Shareholder's equity
Shares issued to the U.S. Treasury		14,448	14,448	14,448
Liquidation preference per share (in dollars per share)		$ 1,000	$ 1,000
Shares of common stock that can be purchased				571,821
Par value per share of common stock (in dollars per share)		$ 0.01	$ 0.01
Aggregate purchase price in cash of Preferred Stock and Warrants issued to the U.S Treasury (in dollars)	$ 14,448,000
Restrictions on Dividends
Cash dividends as a percentage of net income authorized to be paid		100.00%
Preferred Stock
Shareholder's equity
Shares issued to the U.S. Treasury	14,448
Liquidation preference per share (in dollars per share)	$ 1,000
Dividend rate for the first five years (as a percent)		5.00%
Initial period for dividend payment	5 years
Dividend rate thereafter (as a percent)		9.00%
Period after which call feature is available	3 years
Period of amortization of discount on shares issued	5 years
Number of cumulative preferred stock dividend payments required to be missed before board appointment rights are triggered for the holders of the TARP Preferred stock		6
Cumulative unpaid dividends		$ 1,806,000
Warrants
Shareholder's equity
Term of warrant	10 years
Par value per share of common stock (in dollars per share)	$ 0.01
Initial exercise price per share (in dollars per share)	$ 3.79
Warrants | Maximum
Shareholder's equity
Shares of common stock that can be purchased	571,821