v2.4.1.9
INVENTORY AND LONG-TERM PARTS INVENTORY (Tables)
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Summary of Inventory
The following summarizes our inventory, recorded at the lower of weighted average cost or estimated net realizable value, as of March 31, 2015, and December 31, 2014, respectively (in thousands):
 
 
March 31, 2015
 
December 31, 2014
Finished goods product inventory
 
$
39,013

 
$
44,137

In-process mineral inventory
 
14,799

 
19,584

Total product inventory
 
53,812

 
63,721

Current parts inventory, net
 
20,634

 
20,373

Total current inventory, net
 
74,446

 
84,094

Long-term parts inventory, net
 
17,700

 
16,366

Total inventory, net
 
$
92,146

 
$
100,460