Inventory (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Major Classes of Inventory

	September 30,			December 31,
(in thousands)	2017			2016
Raw materials and starting stock	$	8,652		$	5,769
Semi-finished and finished steel products		89,214			77,510
Operating materials		11,008			9,893
Gross inventory		108,874			93,172
Inventory reserves		(2,345	)		(1,830	)
Total inventory, net	$	106,529		$	91,342