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Inventory (Tables)
 12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]  
Major Classes of Inventory

 

December 31,

 

2016

 

 

2015

 

(dollars in thousands)

 

 

 

 

 

 

 

 

 

 

Raw materials and starting stock

 

$

 

5,769

 

 

$

 

6,235

 

Semi-finished and finished steel products

 

 

 

77,510

 

 

 

 

69,907

 

Operating materials

 

 

 

9,893

 

 

 

 

8,543

 

Gross inventory

 

 

 

93,172

 

 

 

 

84,685

 

Inventory reserves

 

 

 

(1,830

)

 

 

 

(1,312

)

Total inventory, net

 

$

 

91,342

 

 

$

 

83,373