Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment

Schedule of property, plant and equipment

	March 31,		December 31,
	2018		2017
Land	$	13,492	$	13,492
Land improvements		42,962		42,962
Buildings		196,155		196,153
Machinery and equipment		412,652		413,349
Vehicles		635		635
Furniture and office equipment		6,023		5,970
Leasehold improvements		987		987
		672,906		673,548
Less accumulated depreciation		(125,834)		(117,067)
		547,072		556,481
Construction in progress		6,021		5,849
Total property, plant and equipment, net	$	553,093	$	562,330