REVENUES (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Product Information [Line Items]
Revenues	$ 6,535,988	$ 5,478,951	$ 5,017,225	$ 4,754,473	$ 4,748,568	$ 4,513,204	$ 3,858,467	$ 2,800,185	$ 21,786,637	$ 15,920,424	$ 13,123,929
Gasoline and Distillates [Member]
Product Information [Line Items]
Revenues									18,316,079	14,017,350	11,553,716
Chemicals [Member]
Product Information [Line Items]
Revenues									770,491	554,392	452,304
Lubricants [Member]
Product Information [Line Items]
Revenues									305,101	260,358	266,371
Asphalt and Residual Oils [Member]
Product Information [Line Items]
Revenues									1,162,339	699,966	536,496
Other [Member]
Product Information [Line Items]
Revenues									$ 1,232,627	$ 388,358	$ 315,042