XML 51 R48.htm IDEA: XBRL DOCUMENT v3.19.3
INVENTORIES (Details)
$ in Thousands, gal in Millions
Sep. 30, 2019
USD ($)
gal
Dec. 31, 2018
USD ($)
gal
Inventory Disclosure [Abstract]    
Liquid petroleum products $ 98,889 $ 186,683
Materials and supplies 25,037 24,201
Total inventories $ 123,926 $ 210,884
Refined petroleum products (in gallons) | gal 53.9 114.7
Percentage of hedged refined petroleum products inventory 94.00% 94.00%