Inventory and Ore on Leach Pads (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventory consists of the following:

In thousands	September 30, 2018		December 31, 2017
Inventory:
Concentrate	$	8,778	$	6,831
Precious metals	20,116		18,803
Supplies	33,675		32,596
	62,569		58,230
Ore on leach pads:
Current	77,515		73,752
Non-current	67,420		65,393
	144,935		139,145
Total inventory and ore on leach pads	$	207,504	$	197,375