Inventory (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Major Classes of Inventory

	March 31,		December 31,
(in thousands)	2017		2016
Raw materials and starting stock	$	7,154	$	5,769
Semi-finished and finished steel products		79,936		77,510
Operating materials		10,365		9,893
Gross inventory		97,455		93,172
Inventory reserves		(2,107)		(1,830)
Total inventory, net	$	95,348	$	91,342