Inventory (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Major Classes of Inventory

	September 30,		December 31,
(in thousands)	2018		2017
Raw materials and starting stock	$	11,448	$	8,527
Semi-finished and finished steel products		102,189		99,820
Operating materials		11,973		10,850
Gross inventory		125,610		119,197
Inventory reserves		(2,771)		(2,534)
Total inventory, net	$	122,839	$	116,663