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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Rental Payments on Operating Leases

The Company leases certain facilities and equipment under operating leases. Most leases contain renewal options for varying periods. Future minimum rental payments on such operating leases at December 31, 2015 are as follows:

 

(Dollar amounts in thousands)    Unrelated
parties
     Related
party
     Minimum future
rentals to related
parties
 

2016

   $ 444       $ 4,226       $ 4,670   

2017

     259         4,352         4,611   

2018

     8         4,483         4,491   

2019

     —           4,618         4,618   

2020 and thereafter

     —           1,163         1,163   
  

 

 

    

 

 

    

 

 

 
   $ 711       $ 18,842       $ 19,553