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Long-Term Lease Obligations (Tables)
12 Months Ended
Dec. 31, 2016
Leases [Abstract]  
Future minimum rental commitments under ground leases
The future minimum rental commitments under this ground lease are as follows:
 
(in thousands)
 
2017
$
56

2018
56

2019
57

2020
62

2021
62

Thereafter
3,636

 
$
3,929