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Inventories
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories at September 30, 2019 consisted of the following (in thousands):
 
Titled Inventory
 
Supply and Offtake Agreements (1)
 
Total
Crude oil and feedstocks
$
192,807

 
$
120,305

 
$
313,112

Refined products and blendstock
132,795

 
164,627

 
297,422

Warehouse stock and other (2)
61,209

 

 
61,209

Total
$
386,811

 
$
284,932

 
$
671,743

Inventories at December 31, 2018 consisted of the following (in thousands):
 
Titled Inventory
 
Supply and Offtake Agreements (1)
 
Total
Crude oil and feedstocks
$
7,000

 
$
117,877

 
$
124,877

Refined products and blendstock
62,401

 
100,175

 
162,576

Warehouse stock and other (2)
34,612

 

 
34,612

Total
$
104,013

 
$
218,052

 
$
322,065


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(1)
Please read Note 8—Inventory Financing Agreements for further information.
(2)
Includes $17.1 million and $5.0 million of RINs and environmental credits as of September 30, 2019 and December 31, 2018, respectively.
As of September 30, 2019 and December 31, 2018, there was a $6.2 million and $3.8 million reserve for the lower of cost or net realizable value of inventory, respectively. Our LIFO inventory reserve was $10.3 million as of September 30, 2019.