SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock-Based Compensation) (Details) - number_period		12 Months Ended	14 Months Ended
	Oct. 31, 2020	Dec. 31, 2021	Dec. 31, 2021
Phantom Share Units (PSUs) [Member] | PBFX [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Performance Share Units And Performance Share Awards [Member] | PBF Energy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years		3 years
Number of measurement periods	4
Performance Share Units And Performance Share Awards [Member] | Minimum [Member] | PBF Energy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, Performance Unit, Payout		0.00%	0.00%
Performance Share Units And Performance Share Awards [Member] | Maximum [Member] | PBF Energy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, Performance Unit, Payout		200.00%	200.00%