v3.10.0.1
Inventory
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventory
Inventory

Inventory is comprised primarily of refined products, liquefied petroleum gases, transmix, crude oil and additives, which are stated and relieved at the lower of average cost or net realizable value.

Inventory at December 31, 2017 and 2018 was as follows (in thousands):
 
 
 
December 31,
 
 
2017
 
2018
Refined products
 
$
73,845

 
$
92,751

Liquefied petroleum gases
 
45,553

 
46,612

Transmix
 
33,319

 
28,497

Crude oil
 
23,763

 
11,220

Additives
 
5,865

 
6,655

Total inventory
 
$
182,345

 
$
185,735



During 2018, we recorded lower of average cost or net realizable value adjustments of $18.5 million related to our refined products, transmix and crude oil inventories.