Condensed Consolidated Statements of Changes in Equity Statement - USD ($) $ in Millions | Total | Class A Common Stock [Member] | Class B common stock [Member] | Common Stock [Member]Class A Common Stock [Member] | Common Stock [Member]Class B common stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Treasury Stock [Member] | Noncontrolling Interest [Member] | PBF LLC [Member] | PBF LLC [Member]Common Stock [Member]Series A Units [Member] | PBF LLC [Member]Common Stock [Member]Series C Units [Member] | PBF LLC [Member]Retained Earnings [Member] | PBF LLC [Member]AOCI Attributable to Parent [Member] | PBF LLC [Member]Treasury Stock [Member] | PBF LLC [Member]Noncontrolling Interest [Member] |
Balance, beginning of period, shares at Dec. 31, 2017 | | | | 110,565,531 | 25 | | | | 6,132,884 | | | 3,767,464,000 | 110,586,762,000 | | | | |
Balance, beginning of period at Dec. 31, 2017 | $ 2,902.9 | | | $ 0.1 | $ 0 | $ 2,277.7 | $ 236.8 | $ (25.4) | $ (152.6) | $ 566.3 | $ 2,878.5 | $ 40.1 | $ 1,655 | $ 906.8 | $ (26.9) | $ (152.6) | $ 456.1 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Comprehensive income | 42.1 | | | | | | 30.3 | 0.3 | | 11.5 | 52 | | | 41.5 | 0.3 | | 10.2 |
Stockholders' Equity, Warrants And Options Exercised, Shares Issued | | | | 45,257 | | | | | | | | 11,886,000 | 45,257,000 | | | | |
Stockholders' Equity, Warrants And Options Exercised | 0 | | | | | | | | | | 0 | | | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders | (1) | | | | | | | | | (1) | | | | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders of PBFX | (11.7) | | | | | | | | | (11.7) | | | | | | | |
Stock-based compensation (in shares) | | | | 1,054 | | | | | | | | | 1,054,000 | | | | |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 5.1 | | | | | 4.3 | | | | 0.8 | 5.1 | | $ 4.3 | | | | 0.8 |
Dividends | (33.3) | | | | | | (33.3) | | | | | | | | | | |
Dividends per common share (in dollars per share) | | $ 0.3 | | | | | | | | | | | | | | | |
Adjustments to Additional Paid in Capital, Other | 0.8 | | | | | 0.8 | | | | | | | | | | | |
Stock Issued During Period, Shares, Conversion of Convertible Securities | | | | 539,288 | (3) | | | | | | | (539,288,000) | 539,288,000 | | | | |
Stock Issued During Period, Value, Conversion of Convertible Securities | 0 | | | | | | | | | | 0 | $ (4.1) | $ 4.1 | | | | |
Stock Redeemed or Called During Period, Shares | | | | (32,149) | | | | | 32,149 | | | | 32,149,000 | | | | |
Stock Redeemed or Called During Period, Value | 0 | | | | | 1 | | | $ (1) | | 0 | | $ 1 | | | (1) | |
Stockholders' Equity, Other | 10.9 | | | | | 10.9 | | | | | 10.9 | | | 10.9 | | | |
Distribution To Unitholders | | | | | | | | | | | (46) | | | (34.3) | | | (11.7) |
Balance, end of period, shares at Mar. 31, 2018 | | | | 111,118,981 | 22 | | | | 6,165,033 | | | 3,240,062,000 | 111,140,212,000 | | | | |
Balance, end of period at Mar. 31, 2018 | 2,915.8 | | | $ 0.1 | $ 0 | 2,294.7 | 233.8 | (25.1) | $ (153.6) | 565.9 | 2,900.5 | $ 36 | $ 1,664.4 | 924.9 | (26.6) | (153.6) | 455.4 |
Balance, beginning of period, shares at Dec. 31, 2017 | | | | 110,565,531 | 25 | | | | 6,132,884 | | | 3,767,464,000 | 110,586,762,000 | | | | |
Balance, beginning of period at Dec. 31, 2017 | 2,902.9 | | | $ 0.1 | $ 0 | 2,277.7 | 236.8 | (25.4) | $ (152.6) | 566.3 | 2,878.5 | $ 40.1 | $ 1,655 | 906.8 | (26.9) | (152.6) | 456.1 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Comprehensive income | 329.8 | | | | | | | | | | 437.7 | | | | | | |
Adjustments to Additional Paid in Capital, Other | (2.4) | | | | | | | | | | | | | | | | |
Balance, end of period, shares at Jun. 30, 2018 | | | | 113,829,728 | 20 | | | | 6,171,898 | | | 1,206,325,000 | 113,850,959,000 | | | | |
Balance, end of period at Jun. 30, 2018 | 3,172.3 | | | $ 0.1 | $ 0 | 2,308.4 | 472 | (25.1) | $ (153.6) | 570.5 | 3,243.5 | $ 19.5 | $ 1,682.8 | 1,266.8 | (26.6) | (153.6) | 454.6 |
Balance, beginning of period, shares at Mar. 31, 2018 | | | | 111,118,981 | 22 | | | | 6,165,033 | | | 3,240,062,000 | 111,140,212,000 | | | | |
Balance, beginning of period at Mar. 31, 2018 | 2,915.8 | | | $ 0.1 | $ 0 | 2,294.7 | 233.8 | (25.1) | $ (153.6) | 565.9 | 2,900.5 | $ 36 | $ 1,664.4 | 924.9 | (26.6) | (153.6) | 455.4 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Comprehensive income | 287.7 | | | | | | 272.2 | 0 | | 15.5 | 385.7 | | | 376.3 | 0 | | 9.4 |
Stockholders' Equity, Warrants And Options Exercised, Shares Issued | | | | 557,659 | | | | | | | | 115,026,000 | 557,659,000 | | | | |
Stockholders' Equity, Warrants And Options Exercised | 11.7 | | | | | 11.7 | | | | | (3.3) | $ (3.3) | | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders | (0.4) | | | | | | | | | (0.4) | | | | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders of PBFX | (11.9) | | | | | | | | | (11.9) | | | | | | | |
Stock-based compensation (in shares) | | | | 11,190 | | | | | | | | | 11,190,000 | | | | |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 7.9 | | | | | 5.2 | | | | 2.7 | 7.9 | | $ 5.2 | | | | 2.7 |
Dividends | (34) | | | | | | (34) | | | | | | | | | | |
Dividends per common share (in dollars per share) | | $ 0.3 | | | | | | | | | | | | | | | |
Adjustments to Additional Paid in Capital, Other | (3.2) | | | | | (3.2) | | | | | | | | | | | |
Stock Issued During Period, Shares, Conversion of Convertible Securities | | | | 2,148,763 | (2) | | | | | | | (2,148,763,000) | 2,148,763,000 | | | | |
Stock Issued During Period, Value, Conversion of Convertible Securities | 0 | | | | | | | | | | 0 | $ (13.2) | $ 13.2 | | | | |
Stock Redeemed or Called During Period, Shares | | | | (6,865) | | | | | 6,865 | | | | 6,865,000 | | | | |
Stock Redeemed or Called During Period, Value | 0 | | | | | | | | | | 0 | | | | | | |
Stockholders' Equity, Other | (1) | | | | | | | | | (1) | (1) | | | | | | 1 |
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net | (0.3) | | | | | | | | | (0.3) | | | | | | | |
Distribution To Unitholders | | | | | | | | | | | (46.3) | | | (34.4) | | | (11.9) |
Balance, end of period, shares at Jun. 30, 2018 | | | | 113,829,728 | 20 | | | | 6,171,898 | | | 1,206,325,000 | 113,850,959,000 | | | | |
Balance, end of period at Jun. 30, 2018 | 3,172.3 | | | $ 0.1 | $ 0 | 2,308.4 | 472 | (25.1) | $ (153.6) | 570.5 | 3,243.5 | $ 19.5 | $ 1,682.8 | 1,266.8 | (26.6) | (153.6) | 454.6 |
Balance, beginning of period, shares at Dec. 31, 2018 | | 119,874,191 | 20 | 119,874,191 | 20 | | | | 6,274,261 | | | 1,206,325,000 | 119,895,422,000 | | | | |
Balance, beginning of period at Dec. 31, 2018 | 3,248.5 | | | $ 0.1 | $ 0 | 2,633.8 | 225.8 | (22.4) | $ (160.8) | 572 | 3,219.4 | $ 20.2 | $ 2,009.8 | 914.3 | (23.9) | (160.8) | 459.8 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Comprehensive income | 241.6 | | | | | | 229.3 | 0.2 | | 12.1 | 327.6 | | | 318.4 | 0.2 | | 9 |
Stockholders' Equity, Warrants And Options Exercised, Shares Issued | | | | 5,025 | | | | | | | | | 5,025,000 | | | | |
Stockholders' Equity, Warrants And Options Exercised | 0.1 | | | | | 0.1 | | | | | (0.9) | | $ (0.9) | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders | (0.4) | | | | | | | | | (0.4) | | | | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders of PBFX | (13.2) | | | | | | | | | (13.2) | | | | | | | |
Stock-based compensation (in shares) | | | | (1,410) | | | | | | | | | (1,410,000) | | | | |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 7.2 | | | | | 6.2 | | | | 1 | 7.2 | | $ 6.2 | | | | 1 |
Dividends | (36) | | | | | | (36) | | | | | | | | | | |
Dividends per common share (in dollars per share) | | $ 0.3 | | | | | | | | | | | | | | | |
Stock Redeemed or Called During Period, Shares | | | | (29,671) | | | | | 29,671 | | | | 29,671,000 | | | | |
Stock Redeemed or Called During Period, Value | 0 | | | | | 1 | | | $ (1) | | 0 | | $ 1 | | | (1) | |
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net | (1) | | | | | (1) | | | | | | | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | 0 | | | | | 82.4 | | | | (82.4) | 0 | | $ (82.4) | | | | 82.4 |
Distribution To Unitholders | | | | | | | | | | | (49.6) | | | (36.4) | | | (13.2) |
Balance, end of period, shares at Mar. 31, 2019 | | | | 119,848,135 | 20 | | | | 6,303,932 | | | 1,206,325,000 | 119,869,366,000 | | | | |
Balance, end of period at Mar. 31, 2019 | 3,446.8 | | | $ 0.1 | $ 0 | 2,722.5 | 419.1 | (22.2) | $ (161.8) | 489.1 | 3,503.7 | $ 20.2 | $ 2,098.5 | 1,196.3 | (23.7) | (161.8) | 374.2 |
Balance, beginning of period, shares at Dec. 31, 2018 | | 119,874,191 | 20 | 119,874,191 | 20 | | | | 6,274,261 | | | 1,206,325,000 | 119,895,422,000 | | | | |
Balance, beginning of period at Dec. 31, 2018 | 3,248.5 | | | $ 0.1 | $ 0 | 2,633.8 | 225.8 | (22.4) | $ (160.8) | 572 | 3,219.4 | $ 20.2 | $ 2,009.8 | 914.3 | (23.9) | (160.8) | 459.8 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Comprehensive income | 220.5 | | | | | | | | | | 292.2 | | | | | | |
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net | 0 | | | | | | | | | | | | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | 132.5 | | | | | | | | | | 132.5 | | | | | | |
Balance, end of period, shares at Jun. 30, 2019 | | 119,894,441 | 20 | 119,894,441 | 20 | | | | 6,315,761 | | | 1,206,325,000 | 119,915,672,000 | | | | |
Balance, end of period at Jun. 30, 2019 | 3,513.1 | | | $ 0.1 | $ 0 | 2,800.4 | 350.8 | (21.7) | $ (162.2) | 545.7 | 3,502.4 | $ 20.2 | $ 2,176.4 | 1,058.2 | (23.2) | (162.2) | 433 |
Balance, beginning of period, shares at Mar. 31, 2019 | | | | 119,848,135 | 20 | | | | 6,303,932 | | | 1,206,325,000 | 119,869,366,000 | | | | |
Balance, beginning of period at Mar. 31, 2019 | 3,446.8 | | | $ 0.1 | $ 0 | 2,722.5 | 419.1 | (22.2) | $ (161.8) | 489.1 | 3,503.7 | $ 20.2 | $ 2,098.5 | 1,196.3 | (23.7) | (161.8) | 374.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | | | | | | | |
Comprehensive income | (21.1) | | | | | | (32.4) | 0.5 | | 10.8 | (35.4) | | | (47) | 0.5 | | 11.1 |
Stockholders' Equity, Warrants And Options Exercised, Shares Issued | | | | 2,500 | | | | | | | | 10,000,000 | 2,500,000 | | | | |
Stockholders' Equity, Warrants And Options Exercised | 0.1 | | | | | 0.1 | | | | | (0.2) | $ (0.1) | $ 0.1 | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders | (1.9) | | | | | | | | | (1.9) | | | | | | | |
Stockholders' Equity, Distributions To Controlling Interest Holders of PBFX | (16.8) | | | | | | | | | (16.8) | | | | | | | |
Stock-based compensation (in shares) | | | | 45,635 | | | | | | | | | 45,635,000 | | | | |
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | 11.1 | | | | | 7.7 | | | | 3.4 | 11.1 | | $ 7.7 | | | | 3.4 |
Dividends | (35.9) | | | | | | (35.9) | | | | | | | | | | |
Dividends per common share (in dollars per share) | | $ 0.3 | | | | | | | | | | | | | | | |
Adjustments to Additional Paid in Capital, Other | 0 | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Conversion of Convertible Securities | | | | 10,000 | | | | | | | | (10,000,000) | 10,000,000 | | | | |
Stock Issued During Period, Value, Conversion of Convertible Securities | 0.1 | | | | | 0.1 | | | | | 0 | $ (0.1) | $ 0.1 | | | | |
Stock Redeemed or Called During Period, Shares | | | | (11,829) | | | | | 11,829 | | | | 11,829,000 | | | | |
Stock Redeemed or Called During Period, Value | 0 | | | | | 0.4 | | | $ (0.4) | | 0 | | $ 0.4 | | | (0.4) | |
Stockholders' Equity, Other | (1.8) | | | | | | | | | (1.8) | 1.8 | | | | | | 1.8 |
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net | 0 | | | | | | | | | | | | | | | | |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests | 132.5 | | | | | 69.6 | | | | 62.9 | 132.5 | | $ 69.6 | | | | 62.9 |
Distribution To Unitholders | | | | | | | | | | | (107.9) | | | (91.1) | | | (16.8) |
Balance, end of period, shares at Jun. 30, 2019 | | 119,894,441 | 20 | 119,894,441 | 20 | | | | 6,315,761 | | | 1,206,325,000 | 119,915,672,000 | | | | |
Balance, end of period at Jun. 30, 2019 | $ 3,513.1 | | | $ 0.1 | $ 0 | $ 2,800.4 | $ 350.8 | $ (21.7) | $ (162.2) | $ 545.7 | $ 3,502.4 | $ 20.2 | $ 2,176.4 | $ 1,058.2 | $ (23.2) | $ (162.2) | $ 433 |