PREFERRED STOCK AND STOCK REPURCHASE (Details) (USD $)	12 Months Ended	0 Months Ended					12 Months Ended
	Dec. 31, 2014	Aug. 12, 2013	Dec. 05, 2012	May 31, 2012	Mar. 28, 2012	Jan. 16, 2009	Dec. 31, 2013	Dec. 31, 2012
Preferred stock and stock repurchase
Shares issued to the Treasury Department	0						0
Total price
Additional dilutive shares in calculating earnings per share	76,828
Liquidation value of additional purchased shares	0						0
Preferred stock, Outstanding shares	0						0
Preferred stock series A
Preferred stock and stock repurchase
Shares issued to the Treasury Department						57,000
Liquidation amount per share (in dollars per share)						$ 1,000
Total price						57,000,000
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		15,100	19,050	1,820	21,030
Liquidation value of additional purchased shares			19,050,000	1,820,000
Total purchase price of shares repurchased		15,100,000	18,927,000	1,747,000	19,581,000
Book value of preferred stock retired		14,952,000			20,823,000
Difference between the book value and the bid price credited (charged) to retained earnings			$ 55,000	$ 60,000	$ 1,242,000
Shares purchased by unrelated third party					35,970
Common Stock
Preferred stock and stock repurchase
Warrant, exercise price (in dollars per share)	$ 14.95					$ 14.95
Warrant, term						10 years
Average stock price (in dollars per share)	$ 17.27						$ 14.58	$ 11.45
Additional dilutive shares in calculating earnings per share	76,828						0	0
Common Stock | Maximum
Preferred stock and stock repurchase
Warrant issued to purchase the entity's common stock (in shares)						571,906