DEFERRED CHARGES AND OTHER ASSETS, NET (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred turnaround costs, net		$ 619,500	$ 537,000
Catalyst, net	[1]	199,700	166,800
Environmental credits		41,400	41,300
Linefill		27,400	27,400
Pension plan assets		18,600	20,700
Other		47,400	20,600
Total deferred charges and other assets, net		954,000	813,800
Amortization expense		261,500	220,600	$ 315,700
Accelerated amortization, deferred turnaround costs				$ 56,200
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		$ 117,000	$ 113,000

[1] Catalyst, net includes $117.0 million and $113.0 million of indefinite-lived precious metal catalysts (both owned or financed as part of existing catalyst financing arrangements) as of December 31, 2022 and December 31, 2021, respectively.