STOCK-BASED COMPENSATION (Weighted Average Assumptions) (Details) - PBF Energy [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	6 years	6 years 29 days	6 years 3 months
Expected volatility	83.80%	69.10%	38.60%
Dividend yield	0.00%	1.41%	3.54%
Risk-free rate of return	1.37%	0.81%	2.16%
Exercise price (in dollars per share)	$ 13.91	$ 13.58	$ 34.11
Weighted average fair value per unit (in dollars per share)	9.84	5.49	9.43
Granted (in dollars per share)	$ 13.91
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	3 years 1 month 13 days
Expected volatility	83.78%
Dividend yield	0.00%
Risk-free rate of return	0.87%
Granted (in dollars per share)	$ 18.73	$ 10.77	$ 27.99
Performance Share Units | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)		2 years 10 months 20 days	2 years 2 months 1 day
Expected volatility		39.88%	37.19%
Dividend yield		0.00%	3.40%
Risk-free rate of return		0.26%	1.66%
Performance Share Units | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)		3 years 1 month 20 days	2 years 10 months 17 days
Expected volatility		82.63%	41.70%
Dividend yield		4.28%	3.67%
Risk-free rate of return		1.34%	2.51%