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COMMITMENTS AND CONTINGENCIES (Detail Textuals) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Long-term Purchase Commitment [Line Items]    
Maximum repurchase collateral amount $ 46,995 $ 38,334
Capital Addition Purchase Commitments    
Long-term Purchase Commitment [Line Items]    
Commitment for construction and acquisition of property, plant and equipment 14,571  
Pennsylvania    
Long-term Purchase Commitment [Line Items]    
Estimated cost of operations 24,712  
Cost incurred in manufacturing operations 20,561  
Tennessee    
Long-term Purchase Commitment [Line Items]    
Estimated cost of operations 20,733  
Cost incurred in manufacturing operations 4,623  
Current estimated costs of administrative building $ 4,000