Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT (Details)

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PROPERTY, PLANT AND EQUIPMENT (Details)
 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Jan. 31, 2017
a
Property, plant and equipment        
Property, plant and equipment, gross $ 128,778,000 $ 125,274,000    
Accumulated depreciation and amortization (59,672,000) (52,002,000)    
Total property, plant and equipment 69,106,000 73,272,000    
Depreciation expense 8,500,000 4,700,000 $ 4,400,000  
Interest costs capitalized 100,000 199,000 $ 0  
Real estate held for sale   500,000    
Impairment of real estate   200,000    
Land and improvements        
Property, plant and equipment        
Property, plant and equipment, gross 841,000 1,996,000    
Buildings and improvements        
Property, plant and equipment        
Property, plant and equipment, gross 30,760,000 30,277,000    
Machinery and equipment        
Property, plant and equipment        
Property, plant and equipment, gross 25,160,000 23,699,000    
Furniture and fixtures        
Property, plant and equipment        
Property, plant and equipment, gross 20,385,000 19,962,000    
Computer software and hardware        
Property, plant and equipment        
Property, plant and equipment, gross $ 51,632,000 $ 49,340,000    
Disposal Group, Disposed of by Sale, Not Discontinued Operations        
Property, plant and equipment        
Acre of land | a       53