PREFERRED STOCK AND STOCK REPURCHASE (Details) (USD $) In Thousands, except Share data, unless otherwise specified			0 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 28, 2012 Preferred stock	Jan. 16, 2009 Preferred stock	Jan. 16, 2009 Common stock	Jan. 16, 2009 Common stock Maximum
Preferred stock and stock repurchase
Shares issued to the Treasury Department	57,000	57,000		57,000
Liquidation amount per share (in dollars per share)				$ 1,000
Total price	$ 14,932	$ 14,918		$ 57,000
Warrant issued to purchase the entity's common stock (in shares)						571,906
Warrant, exercise price (in dollars per share)					$ 14.95
Warrant, aggregate purchase price					8,550
Cumulative dividends rate for the first five years (as a percent)				5.00%
Cumulative dividends rate, thereafter (as a percent)				9.00%
Shares of the Company's Preferred Stock priced by the U.S. Department of the Treasury in its secondary public offering			57,000
Shares repurchased and retired as a result of successful bid in the offering			21,030
Total purchase price of shares repurchased and retired			19,581
Book value of preferred stock retired			20,823
Difference between the book value and the bid price credited to retained earnings			$ 1,242