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Equity-Based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2017
Equity-Based Compensation Plans [Abstract]  
Schedule of Company's stock options outstanding

The following table presents information regarding the activity since January 1, 2015 related to all of the Company’s stock options outstanding:

 

   Options Outstanding 
   Number of
Shares
   Weighted-
Average
Exercise
Price
   Weighted-
Average
Contractual
Term (years)
   Aggregate
Intrinsic
Value
 
                 
Balance at January 1, 2015   179,102   $18.55           
                     
   Granted                  
   Exercised   (7,353)   15.20        $19,843 
   Forfeited                  
   Expired   (54,341)   19.93           
                     
Balance at December 31, 2015   117,408   $18.12           
                     
   Granted                  
   Exercised   (23,710)   15.84        $81,894 
   Forfeited                  
   Expired   (33,750)   21.39           
                     
Balance at December 31, 2016   59,948   $17.18           
                     
   Granted                  
   Exercised   (21,259)   19.16        $236,584 
   Forfeited                  
   Expired                  
                     
Outstanding at December 31, 2017   38,689   $16.09    0.67   $743,679 
                     
Exercisable at December 31, 2017   38,689   $16.09    0.67   $743,679 
Schedule of information about the stock options outstanding

The following table summarizes information about the stock options outstanding at December 31, 2017:

 

   Options Outstanding   Options Exercisable 

 

 

Range of

Exercise Prices

  Number
Outstanding
at 12/31/17
   Weighted-
Average
Remaining
Contractual Life
   Weighted-
Average
Exercise
Price
   Number
Exercisable
at 12/31/17
   Weighted-
Average
Exercise
Price
 
                     
$13.27 to $15.48   9,000    1.4   $14.35    9,000   $14.35 
$15.48 to $17.70   29,689    0.4    16.61    29,689    16.61 
    38,689    0.7   $16.09    38,689   $16.09 
Schedule of outstanding restricted stock

The following table presents information regarding the activity during 2015, 2016, and 2017 related to the Company’s outstanding restricted stock:

 

   Long-Term Restricted Stock 
   Number of
Units
   Weighted-
Average Grant-
Date Fair Value
 
         
Nonvested at January 1, 2015   50,438   $11.42 
           
Granted during the period   65,618    17.28 
Vested during the period   (20,117)   17.44 
Forfeited or expired during the period   (40,610)   9.87 
           
Nonvested at December 31, 2015   55,329   $17.31 
           
Granted during the period   65,255    19.40 
Vested during the period   (28,794)   17.79 
Forfeited or expired during the period        
           
Nonvested at December 31, 2016   91,790   $18.65 
           
Granted during the period   48,322    31.05 
Vested during the period   (28,275)   20.05 
Forfeited or expired during the period   (8,535)   18.34 
           
Nonvested at December 31, 2017   103,302   $24.09