Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule of computation of EPS Basic and Diluted Table Text Block

Calculation of basic earnings per share (Basic EPS) and diluted earnings per share (Diluted EPS) is shown below.

 

    Year ended December 31,
(in thousands, except share and per share data)   2014   2013   2012
Basic            
Net income available to common shareholders   $ 52,041     $ 50,856     $ 31,285  
 Less: dividends and undistributed earnings allocated to unvested restricted stock awards     (503 )     (418 )     (115 )
Net earnings allocated to common shareholders     51,538       50,438       31,170  
                         
Weighted average shares outstanding, including participating securities     14,824,333       14,587,187       12,843,618  
                         
 Less: average participating securities     (147,711 )     (109,570 )     (46,445 )
 Weighted average shares outstanding - Basic     14,676,622       14,477,617       12,797,173  
                         
Diluted                        
Net earnings allocated to common shareholders     51,538       50,438       31,170  
                         
Weighted average shares outstanding - Basic     14,676,622       14,477,617       12,797,173  
                         
 Dilutive effect of common stock options or restricted stock awards     113,002       96,302       38,870  
                         
Weighted average shares outstanding - Diluted     14,789,624       14,573,919       12,836,043  
                         
Basic EPS     3.51       3.48       2.44  
Diluted EPS     3.48       3.46       2.43