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FINANCIAL INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2014
Fair Value Disclosures [Abstract]  
Cash and Cash Equivalents and Investments from Continuing Operations

Cash and cash equivalents from our continuing operations consist of the following as of June 30, 2014 and December 31, 2013 (dollars in thousands):

 

     June 30,
2014
     December 31,
2013
 

Cash

   $ 131,546       $ 155,466   

Cash equivalents

     7,062         163,005   
  

 

 

    

 

 

 

Cash and cash equivalents, unrestricted

     138,608         318,471   
  

 

 

    

 

 

 

Restricted cash

     11,929         12,564   
  

 

 

    

 

 

 

Total cash and cash equivalents

   $ 150,537       $ 331,035   
  

 

 

    

 

 

 
Investments from Continuing Operations

Investments from our continuing operations consist of the following as of June 30, 2014 and December 31, 2013 (dollars in thousands):

 

     June 30, 2014  
            Gross Unrealized        
     Cost          Gain              (Loss)         Fair Value  

Short-term investments (available for sale):

          

Municipal bonds

   $ 6,907       $ 1       $ (27   $ 6,881   

Non-governmental debt securities

     98,828         18         (109     98,737   

Treasury and federal agencies

     18,469         5         (12     18,462   
  

 

 

    

 

 

    

 

 

   

 

 

 

Total short-term investments

     124,204         24         (148     124,080   
  

 

 

    

 

 

    

 

 

   

 

 

 

Long-term investments (available for sale):

          

Municipal bond

     7,850         —           (476     7,374   
  

 

 

    

 

 

    

 

 

   

 

 

 

Total investments

   $ 132,054       $ 24       $ (624   $ 131,454   
  

 

 

    

 

 

    

 

 

   

 

 

 

 

     December 31, 2013  
            Gross Unrealized        
     Cost          Gain              (Loss)         Fair Value  

Short-term investments (available for sale):

          

U.S. Treasury bills

   $ 31,591       $ 1       $ —        $ 31,592   

Long-term investments (available for sale):

          

Municipal bond

     7,850         —           (476     7,374   
  

 

 

    

 

 

    

 

 

   

 

 

 

Total investments

   $ 39,441       $ 1       $ (476   $ 38,966   
  

 

 

    

 

 

    

 

 

   

 

 

 
Investments Measured at Fair Value on Recurring Basis

Investments measured at fair value on a recurring basis subject to the disclosure requirements of FASB ASC Topic 820 — Fair Value Measurements at June 30, 2014 and December 31, 2013 were as follows (dollars in thousands):

 

     As of June 30, 2014  
     Level 1      Level 2      Level 3      Total  

Municipal bonds

   $ —         $ 6,881       $ 7,374       $ 14,255   

Non-governmental debt securities

     —           98,737         —           98,737   

Treasury and federal agencies

     —           18,462         —           18,462   
  

 

 

    

 

 

    

 

 

    

 

 

 

Totals

   $ —         $ 124,080       $ 7,374       $ 131,454   
  

 

 

    

 

 

    

 

 

    

 

 

 

 

     As of December 31, 2013  
     Level 1      Level 2      Level 3      Total  

U.S. Treasury bills

   $ 31,592       $ —         $ —         $ 31,592   

Municipal bond

     —           —           7,374         7,374   
  

 

 

    

 

 

    

 

 

    

 

 

 

Totals

   $ 31,592       $ —         $ 7,374       $ 38,966   
  

 

 

    

 

 

    

 

 

    

 

 

 
Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level 3)

The following table presents a rollforward of our assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) as defined in FASB ASC Topic 820 for the year to date ended June 30, 2014 (dollars in thousands):

 

Balance at December 31, 2013

   $ 7,374   

Unrealized gain (loss)

     —     
  

 

 

 

Balance at June 30, 2014

   $ 7,374