EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net Income
Net income	$ 3,991	$ 6,011
Redemption of preferred shares		1,242
Preferred dividends and accretion	(202)	(763)
Net income available to common shareholders	3,789	6,490
Net income available to common shareholders and assumed conversions	$ 3,789	$ 6,490
Weighted Average Shares
Net income available to common shareholders (in shares)	20,316,189	20,211,983
Effect of Dilutive stock options (in shares)	62,465	53,588
Net income available to common shareholders and assumed conversions (in shares)	20,378,654	20,265,571
Per Share Amount
Net income available to common shareholders (in dollars per share)	$ 0.19	$ 0.32
Net income available to common shareholders and assumed conversions (in dollars per share)	$ 0.19	$ 0.32
Stock options
Anti-dilutive securities
Common shares not considered in computing diluted earnings per share	257,516	251,655
Stock warrants
Anti-dilutive securities
Common shares not considered in computing diluted earnings per share	571,906	571,906