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Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value of Options Granted

The fair value of options granted is estimated on the date of the grant using an option-pricing model with the following weighted-average assumptions:

 

December 31    2017     2016     2015  

Dividend yields

     1.75     2.34     2.35

Volatility factors of expected market price of common stock

     28.52     28.60     28.97

Risk-free interest rates

     2.42     1.83     2.10

Expected life of options

     8 years       8 years       8 years  
Summary of Status of Non-vested, Restricted and Performance Shares

A summary of the status of Horizon’s non-vested restricted and performance shares as of December 31, 2017 are presented below:

 

            Weighted  
            Average  
            Grant Date  
     Shares      Fair Value  

Non-vested beginning of year

     70,959      $ 15.59  

Vested

     (6,754      14.80  

Granted

     41,786        25.49  

Forfeited

     (9,461      15.05  
  

 

 

    

Non-vested, end of year

     96,530        19.98  
  

 

 

    
Stock Options 2003 Plan [Member]  
Summary of Option Activity under 2003 Plan

A summary of option activity under the 2003 Plan as of December 31, 2017, and changes during the year then ended, is presented below:

 

                   Weighted-         
                   Average         
            Weighted-      Remaining      Aggregate  
            Average      Contractual      Intrinsic  
     Shares      Exercise Price      Term      Value  

Outstanding, beginning of year

     36,635      $ 7.25        

Granted

     —          —          

Exercised

     (9,185      6.86        

Forfeited

     —          —          
  

 

 

          

Outstanding, end of year

     27,450        7.37        2.73      $ 560,691  
  

 

 

          

Exercisable, end of year

     27,450        7.37        2.73        560,691  
Stock Options 2013 Plan [Member]  
Summary of Option Activity under 2003 Plan

A summary of option activity under the 2013 Plan as of December 31, 2017, and changes during the year then ended, is presented below:

 

                   Weighted-         
                   Average         
            Weighted-      Remaining      Aggregate  
            Average      Contractual      Intrinsic  
     Shares      Exercise Price      Term      Value  

Outstanding, beginning of year

     286,586      $ 15.08        

Granted

     43,502        25.14        

Exercised

     (108,434      14.77        

Forfeited

     (5,871      15.64        
  

 

 

          

Outstanding, end of year

     215,783        17.25        7.69      $ 2,276,823  
  

 

 

          

Exercisable, end of year

     88,036        14.77        6.62        1,147,538