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STOCK COMPENSATION PLANS (Tables)
6 Months Ended
Jun. 30, 2015
STOCK COMPENSATION PLANS [Abstract]  
Weighted-average assumptions used for grants option
The fair value of each option grant is estimated using the Black-Scholes-Merton option pricing model with the following weighted-average assumptions used for grants issued in 2014. All options were granted at market value with a 10-year option term with a vesting period of one year from the date of grant.

 
2014
   
Expected Dividend Yield
3.88
%
  
Expected Stock Price Volatility
26.50
%
  
Weighted Average Risk-Free Interest Rate
2.24
%
  
Weighted Average Expected Life of Options (in years)
7.52
   

Shares of Class A Non-Voting Common Stock under option

  
Option Shares
  
Weighted Average Exercise Price
  
Weighted Average Remaining Life (Yrs.)
  
Aggregate Intrinsic Value
 
Plan options
        
Outstanding at January 1, 2015
  
376,250
  
$
19.52
    
$
1,157,000
 
Granted
  
   
     
 
Exercised
  
(176
)
  
19.70
     
324
 
Expired
  
   
     
 
Outstanding at June 30, 2015
  
376,074
  
$
19.52
   
3.99
  
$
669,600
 
                 
Options exercisable at June 30, 2015
  
376,074
  
$
19.52
   
3.99
  
$
669,600
 


Non-vested shares of Class A Stock under option


Non-vested Shares
 
Option Shares
  
Weighted Average Grant – Date Fair Value Per Option
 
Non-vested at January 1, 2015
  
33,750
  
$
3.95
 
Granted
  
   
 
Vested
  
(33,750
)
  
3.95
 
Canceled
  
   
 
Non-vested at June 30, 2015
  
  
$