Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT.

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PROPERTY AND EQUIPMENT.
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT.
5. PROPERTY AND EQUIPMENT.

 

Property and equipment consisted of the following (in thousands):

 

    December 31,  
    2018     2017  
Facilities and plant equipment   $ 621,909     $ 601,156  
Land     8,970       8,970  
Other equipment, vehicles and furniture     11,812       10,189  
Construction in progress     30,312       38,041  
      673,003       658,356  
Accumulated depreciation     (190,346 )     (150,004 )
    $ 482,657     $ 508,352  

  

Depreciation expense was $40,849,000, $38,651,000 and $35,441,000 for the years ended December 31, 2018, 2017 and 2016, respectively.

 

For the year ended December 31, 2018, 2017 and 2016, the Company capitalized interest of $1,170,000, $822,000 and $1,307,000, respectively, related to its capital investment activities.