EARNINGS PER SHARE (EPS) (Tables)
 9 Months Ended
Sep. 30, 2012
EARNINGS PER SHARE (EPS) [Abstract]  
Schedule of Calculation of Numerator and Denominator in Earnings Per Share
The following is a reconciliation of the numerators and denominators of basic EPS and diluted EPS for the periods presented:

 
 
Three Months Ended September 30,
  
Nine Months Ended September 30,
 
 
 
2012
  
2011
  
2012
  
2011
 
Numerator:
 
  
  
  
 
Net Income per the Consolidated Statements of Operations
 
$
11,795
  
$
11,164
  
$
33,573
  
$
34,582
 
Denominator:
                
Weighted-average number of shares outstanding utilized in the calculation of basic EPS
  
34,408,801
   
33,831,618
   
34,212,431
   
33,666,202
 
Common stock equivalents resulting from the dilutive effect of "in-the-money" outstanding stock options,
   net of the effect of tax benefits
  
89,016
   
49,705
   
75,348
   
117,206
 
Weighted average number of shares outstanding utilized in the calculation of diluted EPS
  
34,497,817
   
33,881,323
   
34,287,779
   
33,783,408
 

Common stock equivalents resulting from the dilutive effect of "in-the-money" outstanding stock options are calculated based upon the excess of the average market value of the Holding Company's common stock over the exercise price of outstanding in-the-money stock options during the period.

There were 1,330,792 and 2,746,738 weighted-average stock options outstanding for the three-month periods ended September 30, 2012 and 2011, respectively, that were not considered in the calculation of diluted EPS since their exercise prices exceeded the average market price during the period.  There were 1,323,076 and 1,245,159 weighted-average stock options outstanding for the nine-month periods ended September 30, 2012 and 2011, respectively, that were not considered in the calculation of diluted EPS since their exercise prices exceeded the average market price during the period.