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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2016
FAIR VALUE MEASUREMENTS  
Schedule of the valuation of financial instruments measured at fair value on a recurring basis
    Fair Value Measurements at March 31, 2016 with:  
(in thousands)   Quoted prices
in active
markets for
identical 
assets
    Significant
other observable
inputs
    Significant
unobservable
inputs
 
    (Level 1)     (Level 2)     (Level 3)  
Assets:                        
Trading securities   $ -     $ 6,429     $ -  
Available-for-sale securities:                        
       Municipal obligations   $ -     $ 35,630     $ -  
       Corporate obligations     -       5,247       -  
    $ -     $ 40,877     $ -  

 

    Fair Value Measurements at December 31, 2015 with:  
(in thousands)   Quoted
prices in
active
markets for
identical
assets
    Significant
other 
observable
inputs
    Significant
unobservable
inputs
 
    (Level 1)     (Level 2)     (Level 3)  
Assets:                        
Trading securities   $ -     $ 6,491     $ -  
Available-for-sale securities:                        
       Municipal obligations   $ -     $ 30,996     $ -  
       Corporate obligations     -       3,958       -  
    $ -     $ 34,954     $ -