Inventory and Ore on Leach Pads (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventory consists of the following:

In thousands	March 31, 2018		December 31, 2017
Inventory:
Concentrate	$	11,062	$	6,831
Precious metals	17,783		18,803
Supplies	32,878		32,596
	61,723		58,230
Ore on leach pads:
Current	75,584		73,752
Non-current	67,430		65,393
	143,014		139,145
Total inventory and ore on leach pads	$	204,737	$	197,375