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Leases (Tables)
12 Months Ended
Dec. 31, 2017
Leases [Abstract]  
Summary of Future Minimum Rent Commitments Under Non-cancellable Operating Leases

Future minimum rent commitments under non-cancellable operating leases in effect as of December 31, 2017 are as follows:

 

In thousands    Amount  

2018

   $ 6,390  

2019

     4,863  

2020

     4,416  

2021

     3,274  

2022

     2,307  

Thereafter

     6,779  
  

 

 

 

Total

   $ 28,029