DEFERRED CHARGES AND OTHER ASSETS, NET (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred turnaround costs, net		$ 855,700	$ 619,500
Catalyst, net	[1]	180,100	199,700
Environmental credits		42,500	41,400
Linefill		27,400	27,400
Pension plan assets		18,800	18,600
Other		4,800	47,400
Total deferred charges and other assets, net		1,129,300	954,000
Amortization expense		313,500	261,500	$ 220,600
Intangible Assets, Net [Abstract]
Intangible assets - gross		4,000	4,000
Accumulated amortization		(3,500)	(3,500)
Intangible assets - net		500	500
Indefinitely-Lived Precious Metal
Catalyst, net		$ 114,200	$ 117,000

[1] Catalyst, net includes $114.2 million and $117.0 million of indefinite-lived precious metal catalysts (both owned or financed as part of existing catalyst financing arrangements) as of December 31, 2023 and December 31, 2022, respectively.