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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share

The calculations of basic and diluted earnings per share are as follows:

Three Months Ended
March 31,
(In thousands except share and per share data)       2016       2015
Basic
       Net income $      5,833 $      5,539
       Weighted-average common shares outstanding 11,233,558 11,440,356
              Basic earnings per share $ .52 $ .48
Diluted
       Net income $ 5,833 $ 5,539
       Weighted-average common shares outstanding 11,233,558 11,440,356
       Effect of dilutive restricted stock and stock appreciation rights 153,299 161,497
       Weighted-average common shares outstanding assuming dilution 11,386,857 11,601,853
              Diluted earnings per share $ .51 $ .48