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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 30, 2018
FAIR VALUE MEASUREMENTS  
Schedule of the valuation of financial instruments measured at fair value on a recurring basis
    Fair Value Measurements at June 30, 2018 with:        
             
(in thousands)   Total     Quoted prices in
active markets
for
identical assets
    Significant 
other
observable 
inputs
    Significant 
unobservable
inputs
 
          (Level 1)     (Level 2)     (Level 3)  
Assets:                        
Available-for-sale debt securities:                                
Municipal Obligations   $ 9,614     $ —     $ 9,614     $ —  
Corporate Obligations     8,738       —       8,738       —  
    $ 18,352     $ —     $ 18,352     $ —  
Investments measured at Net Asset Value - Trading securities   $ 6,084                          

 

    Fair Value Measurements at December 31, 2017 with:        
(in thousands)   Total     Quoted prices in
active markets
for
identical assets
    Significant
other
observable 
inputs
    Significant 
unobservable
inputs
 
          (Level 1)     (Level 2)     (Level 3)  
Assets:                        
Available-for-sale debt securities:                                
Municipal Obligations   $ 13,031     $ —     $ 13,031     $ —  
Corporate Obligations     —       —       —       —  
    $ 13,031     $ —     $ 13,031     $ —  
Investments measured at Net Asset Value - Trading securities   $ 6,031