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Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2013
Earnings Per Common Share [Abstract]  
Summary of earnings per common share
   
  Three months ended March 31,
  2013 2012
  (In thousands, except per share data)
Numerator:
   
Net income $ 1,056 $ 1,565
Preferred stock dividends 52 263
Net income available to common shareholders $ 1,004 $ 1,302
Denominator:
   
Weighted average common shares outstanding (basic) 19,168 20,679
Effect of stock options 89 43
Weighted average common shares outstanding (diluted) 19,257 20,722
Earnings per common share:
   
Basic $ 0.05 $ 0.06
Diluted 0.05 0.06