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RETIREMENT FUND AND PROFIT SHARING PLAN (Tables)
3 Months Ended
Mar. 31, 2019
RETIREMENT FUND AND PROFIT SHARING PLAN [Abstract]  
SERP Expense
The components of SERP expense are as follows:

 
 
Three Months Ended
 
 
 
March 31,
 
 
 
2019
  
2018
 
Service cost
 
$
144
  
$
183
 
Interest cost
  
185
   
166
 
Net amortization
  
48
   
111
 
Net periodic benefit cost
 
$
377
  
$
460
 
Gross Amounts Recognized in Accumulated Other Comprehensive Loss, Net of Tax
The following amounts are recognized net of tax in accumulated other comprehensive loss:

 
 
March 31,
  
December 31,
 
 
 
2019
  
2018
 
Prior service cost
 
$
873
  
$
918
 
Net loss
  
1,974
   
1,977
 
 
 
$
2,847
  
$
2,895