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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following are the number of shares of common stock used to compute the basic and diluted earnings per share for each period:

 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2018
 
2017
 
2018
 
2017
Weighted average shares used in basic computations
42,893,498

 
42,865,407

 
42,886,867

 
40,084,730

Dilutive effect of stock options and restricted stock units
16,519

 
13,912

 
16,921

 
210

Weighted average shares used in diluted computations
42,910,017

 
42,879,319

 
42,903,788

 
40,084,940