DEFERRED CHARGES AND OTHER ASSETS, NET (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred turnaround costs, net		$ 537,000	$ 598,200
Catalyst, net (a)	[1]	166,800	155,200
Environmental credits		41,300	39,600
Linefill		27,400	27,400
Pension plan assets		20,700	21,200
Intangible assets, net		500	500
Other		20,100	20,600
Total deferred charges and other assets, net		813,800	862,700
Amortization expense		220,600	315,700	$ 256,800
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 [Member]
Catalyst, net (a)		$ 113,000	$ 115,200

[1] Catalyst, net includes $113.0 million and $115.2 million of indefinite-lived precious metal catalysts (both owned or financed as part of existing catalyst financing arrangements) as of December 31, 2021 and December 31, 2020, respectively.