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NOTES PAYABLE AND AMENDED CREDIT AGREEMENT (Tables)
 3 Months Ended
Mar. 31, 2016
NOTES PAYABLE AND AMENDED CREDIT AGREEMENT [Abstract]  
Summary of Credit Agreement and Notes Payable
Amounts outstanding under the Amended Credit Agreement and notes payable as of March 31, 2016 and December 31, 2015 consisted of the following (in thousands):

  
March 31, 2016
  
December 31, 2015
 
Credit Agreement average effective interest rate of 2.2% inclusive of unused fee
 
$
52,500
  
$
44,000
 
Various notes payable with $1,253 plus accrued interest due in the next year interest accrues in the range of 3.25% through 3.5% per annum
  
5,874
   
5,110
 
   
58,374
   
49,110
 
Less current portion
  
(1,253
)
  
(775
)
Long term portion
 
$
57,121
  
$
48,335
 
Summary of Aggregate Annual Payments of Principal Required to Revolving Credit Facility
Aggregate annual payments of principal required pursuant to the Amended Credit Agreement and the above notes payable subsequent to March 31, 2016 are as follows (in thousands):

During the twelve months ended March 31, 2017
 
$
1,253
 
During the twelve months ended March 31, 2018
  
844
 
During the twelve months ended March 31, 2019
  
56,277
 
  
$
58,374