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EARNINGS PER SHARE - Reconciliation of weighted average shares outstanding (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Earnings Per Share    
Net income available for stockholders: $ 1,978 $ 1,449
Less: Dividends paid (1,145) (1,141)
Undistributed earnings $ 833 $ 308
Average basic shares outstanding:    
Common stock 35,746 35,549
Restricted shares of common stock 1,212 1,246
Basic shares outstanding, Total 36,958 36,795
Diluted shares outstanding:    
Common stock 35,746 35,549
Dilutive effect of stock based awards 297 208
Diluted shares outstanding excluding restricted shares of common stock, Total 36,043 35,757
Restricted shares of common stock 1,212 1,246
Diluted shares outstanding, Total 37,255 37,003