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Nature of Operations and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of Computation of Basic and Diluted Earnings Per Share

The following table shows computation of basic and diluted earnings per share.

 

     Years Ended December 31  
     2017      2016      2015  

Basic earnings per share

         

Net income

    $ 33,117      $ 23,912      $ 20,549  

Less: Preferred stock dividends

      —          42        125  
  

 

 

     

 

 

     

 

 

  

Net income available to common shareholders

    $ 33,117      $ 23,870      $ 20,424  

Weighted average common shares outstanding(1)

      23,035,824        19,987,728        15,765,444  

Basic earnings per share

    $ 1.44      $ 1.19      $ 1.30  
  

 

 

     

 

 

     

 

 

  

Diluted earnings per share

         

Net income available to common shareholders

    $ 33,117      $ 23,870      $ 20,424  

Weighted average common shares outstanding(1)

      23,035,824        19,987,728        15,765,444  

Effect of dilutive securities:

         

Warrants

      —          —          330,474  

Restricted stock

      31,321        26,553        48,015  

Stock options

      106,481        68,129        53,379  
  

 

 

     

 

 

     

 

 

  

Weighted average shares outstanding

      23,173,626        20,082,410        16,197,312  

Diluted earnings per share

    $ 1.43      $ 1.19      $ 1.26  
  

 

 

     

 

 

     

 

 

  

 

(1)  Adjusted for 3:2 stock split on November 14, 2016