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Inventories
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories INVENTORIES

Components of inventories at December 31, 2019 and 2018 were as follows: 
 
2019
 
2018
Natural gas liquids
$
19,097

 
$
30,446

Sulfur
4,586

 
12,818

Fertilizer
15,852

 
14,208

Lubricants
18,925

 
22,887

Other
4,080

 
3,906

 
$
62,540

 
$
84,265