EQUITY Noncontrolling Interest (Details) $ in Thousands | Apr. 24, 2019USD ($)shares | Sep. 30, 2019USD ($) | Sep. 30, 2018USD ($)shares | Sep. 30, 2019USD ($)subsidiary | Sep. 30, 2018USD ($)shares | Jun. 30, 2019USD ($) | Apr. 29, 2019 | Dec. 31, 2018USD ($) | Jun. 30, 2018USD ($) | Dec. 31, 2017USD ($) |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | $ 3,554,300 | $ 3,645,300 | $ 3,554,300 | $ 3,645,300 | $ 3,513,100 | | $ 3,248,500 | $ 3,172,300 | $ 2,902,900 |
Ownership percentage | | 100.00% | | 100.00% | | | 100.00% | 100.00% | | |
Less: net income attributable to noncontrolling interests | | $ 16,800 | 12,900 | $ 39,700 | 39,900 | | | | | |
Comprehensive income | | 69,900 | 179,800 | 267,500 | 482,600 | | | | | |
Less: net income attributable to noncontrolling interests | | 16,800 | 12,900 | 39,700 | 39,900 | | | | | |
Comprehensive income | | 86,700 | 192,700 | 307,200 | 522,500 | | | | | |
Dividends and Distributions | | | | 157,600 | 141,600 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | 0 | (34,900) | 132,500 | 34,900 | | | | | |
Stock Issued During Period, Value, New Issues | $ 135,000 | | 287,300 | | 287,300 | | | | | |
Adjustments to Additional Paid in Capital, Other | | | (400) | | (2,800) | | | | | |
Stock Issued During Period, Shares, New Issues | shares | 6,585,500 | | | | | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 25,900 | 18,600 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 200 | 13,700 | | | | | |
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net | | 0 | | (1,000) | (300) | | | | | |
Noncontrolling Interest, Other | | | | 2,400 | 9,800 | | | | | |
Stockholders' Equity, Other | | (300) | 100 | 1,500 | (9,800) | | | | | |
Stock Redeemed or Called During Period, Value | | 0 | 0 | 0 | 0 | | | | | |
PBF LLC [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 3,565,400 | 3,766,900 | 3,565,400 | 3,766,900 | 3,502,400 | | $ 3,219,400 | 3,243,500 | 2,878,500 |
Comprehensive income | | 92,500 | 234,600 | 364,600 | 652,700 | | | | | |
Less: net income attributable to noncontrolling interests | | 16,000 | 10,500 | 36,100 | 30,100 | | | | | |
Comprehensive income | | 108,500 | 245,100 | 400,700 | 682,800 | | | | | |
Dividends and Distributions | | | | 210,800 | 141,600 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | (34,900) | 132,500 | 34,900 | | | | | |
Stock Issued During Period, Value, New Issues | | | 287,300 | | 287,300 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 25,900 | 18,600 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | (800) | (3,800) | | | | | |
Noncontrolling Interest, Other | | | | 1,500 | 10,200 | | | | | |
Stockholders' Equity, Other | | (300) | (300) | (1,500) | 10,200 | | | | | |
Stock Redeemed or Called During Period, Value | | 0 | 0 | $ 0 | 0 | | | | | |
Chalmette Refining [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Number Of Subsidiaries | subsidiary | | | | 2 | | | | | | |
Collins Pipeline Company And T&M Terminal Company [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Less: net income attributable to noncontrolling interests | | | | $ 200 | | | | | | |
PBF Energy [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 3,007,700 | 3,067,900 | 3,007,700 | 3,067,900 | | | 2,676,500 | | 2,336,600 |
Comprehensive income | | | | 267,500 | 482,600 | | | | | |
Dividends and Distributions | | | | 107,900 | 103,400 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | 152,000 | 28,600 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 287,300 | | | | | |
Adjustments to Additional Paid in Capital, Other | | | | | (2,800) | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 20,300 | 14,100 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 200 | 14,000 | | | | | |
Noncontrolling Interest, Other | | | | 900 | 10,900 | | | | | |
PBF Energy [Member] | PBF LLC [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 3,131,900 | 3,307,500 | 3,131,900 | 3,307,500 | | | 2,759,600 | | 2,422,400 |
Comprehensive income | | | | 364,600 | 652,700 | | | | | |
Dividends and Distributions | | | | 163,800 | 105,100 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | 152,000 | 28,600 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 287,300 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 20,300 | 14,100 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | (800) | (3,800) | | | | | |
Noncontrolling Interest, Other | | | | 0 | 11,300 | | | | | |
Noncontrolling Interest - PBF Logistics LP [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 422,500 | 448,600 | 422,500 | 448,600 | | | 448,900 | | 445,300 |
Less: net income attributable to noncontrolling interests | | | | 36,000 | 30,100 | | | | | |
Dividends and Distributions | | | | 47,000 | 36,500 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | (19,500) | 6,300 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Other | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 5,600 | 4,500 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 0 | 0 | | | | | |
Noncontrolling Interest, Other | | | | 1,500 | (1,100) | | | | | |
Noncontrolling Interest - PBF Logistics LP [Member] | PBF LLC [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 11,000 | 10,800 | 11,000 | 10,800 | | | 10,900 | | 10,800 |
Less: net income attributable to noncontrolling interests | | | | 100 | 0 | | | | | |
Dividends and Distributions | | | | 0 | 0 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | 0 | 0 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 0 | 0 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 0 | 0 | | | | | |
Noncontrolling Interest, Other | | | | | 0 | | | | | |
Stockholders' Equity, Other | | | | 0 | | | | | | |
Noncontrolling Interest - PBF LLC [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 113,100 | 118,000 | 113,100 | 118,000 | | | 112,200 | | 110,200 |
Less: net income attributable to noncontrolling interests | | | | 3,600 | 9,800 | | | | | |
Dividends and Distributions | | | | 2,700 | 1,700 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | 0 | 0 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Other | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 0 | 0 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 0 | (300) | | | | | |
Noncontrolling Interest, Other | | | | 0 | 0 | | | | | |
Noncontrolling Interest - PBF LLC [Member] | PBF LLC [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 422,500 | 448,600 | 422,500 | 448,600 | | | 448,900 | | 445,300 |
Less: net income attributable to noncontrolling interests | | | | 36,000 | 30,100 | | | | | |
Dividends and Distributions | | | | 47,000 | 36,500 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | (19,500) | 6,300 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 5,600 | 4,500 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 0 | 0 | | | | | |
Noncontrolling Interest, Other | | | | | (1,100) | | | | | |
Stockholders' Equity, Other | | | | 1,500 | | | | | | |
Noncontrolling Interest - PBF Holding [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 11,000 | 10,800 | 11,000 | 10,800 | | | 10,900 | | 10,800 |
Less: net income attributable to noncontrolling interests | | | | 100 | 0 | | | | | |
Dividends and Distributions | | | | 0 | 0 | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | | 0 | 0 | | | | | |
Stock Issued During Period, Value, New Issues | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Other | | | | | 0 | | | | | |
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options | | | | 0 | 0 | | | | | |
Stock Issued During Period, Value, Stock Options Exercised | | | | 0 | 0 | | | | | |
Noncontrolling Interest, Other | | | | 0 | 0 | | | | | |
Series C Units [Member] | Common Stock [Member] | PBF LLC [Member] | | | | | | | | | | |
Noncontrolling Interest [Line Items] | | | | | | | | | | |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | | 2,182,700 | 2,004,100 | 2,182,700 | 2,004,100 | $ 2,176,400 | | $ 2,009,800 | $ 1,682,800 | $ 1,655,000 |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | | | (28,600) | 152,000 | 28,600 | | | | | |
Stock Issued During Period, Value, New Issues | | | $ 287,300 | | $ 287,300 | | | | | |
Stock Issued During Period, Shares, New Issues | shares | | | 6,000,000 | | 6,000,000 | | | | | |
Stockholders' Equity, Other | | | $ (400) | | $ (400) | | | | | |
Stock Redeemed or Called During Period, Value | | $ 0 | $ 400 | $ 1,400 | $ 1,400 | | | | | |