STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-Based Payment Awards, Performance Awards, Valuation Assumptions [Table Text Block]

The performance share awards grant date fair value was calculated using a Monte Carlo valuation model with the following assumptions:

Risk-free interest rate	2.89	%
Dividend yield	2.95	%
Expected volatility	39.04	%

Schedule of stock-based compensation expense

Stock-based compensation expense included in general and administrative expenses consisted of the following:

	Years Ended December 31,
	2018		2017		2016
PBF Energy options	$	11,545	$	9,369	$	11,020
PBF Energy restricted shares	7,460		12,134		7,276
PBF Energy performance awards	1,207		—		—
	$	20,212	$	21,503	$	18,296

Weighted average assumptions

The estimated fair value of PBF Energy options granted during the years ended December 31, 2018, 2017 and 2016 was determined using the Black-Scholes pricing model with the following weighted average assumptions:

	December 31, 2018			December 31, 2017			December 31, 2016
Expected life (in years)	6.25			6.25			6.25
Expected volatility	35.8		%	39.5		%	39.7		%
Dividend yield	3.49		%	4.58		%	4.73		%
Risk-free rate of return	2.82		%	2.09		%	1.42		%
Exercise price	$	35.25		$	26.52		$	26.18

Summary of Share-based compensation activity

The following table summarizes activity for PBF Energy restricted stock for the years ended December 31, 2018, 2017 and 2016.

	Number of PBF Energy Restricted Class A Common Stock		Weighted Average Grant Date Fair Value
Nonvested at January 1, 2016	294,880		$	30.87
Granted	360,820		22.44
Vested	(134,331	)	31.43
Forfeited	—		—
Nonvested at December 31, 2016	521,369		$	24.89
Granted	762,425		25.86
Vested	(172,978	)	24.99
Forfeited	(15,100	)	24.18
Nonvested at December 31, 2017	1,095,716		$	25.56
Granted	58,830		47.24
Vested	(345,073	)	26.13
Forfeited	(15,519	)	24.18
Nonvested at December 31, 2018	793,954		$	26.88

The following table summarizes activity for PBF LLC Series A compensatory warrants and options for the years ended December 31, 2018, 2017 and 2016:

	Number of PBF LLC Series A Compensatory Warrants and Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)
Stock Based Compensation, Outstanding at January 1, 2016	640,779		$	10.59	5.46
Exercised	(27,833	)	10.00		—
Outstanding at December 31, 2016	612,946		$	10.62	4.47
Exercised	(126,634	)	10.17		—
Outstanding at December 31, 2017	486,312		$	10.73	3.52
Exercised	(243,700	)	10.62		—
Outstanding at December 31, 2018	242,612		$	10.85	2.64
Exercisable and vested at December 31, 2018	242,612		$	10.85	2.64
Exercisable and vested at December 31, 2017	486,312		$	10.73	3.52
Exercisable and vested at December 31, 2016	612,946		$	10.62	4.47
Expected to vest at December 31, 2018	242,612		$	10.85	2.64

The following table summarizes activity for PBF Energy options for the years ended December 31, 2018, 2017 and 2016.

	Number of PBF Energy Class A Common Stock Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)
Stock-based awards, outstanding at January 1, 2016	4,256,375		$	27.89	8.32
Granted	1,792,000		26.18		10.00
Exercised	(11,250	)	25.86		—
Forfeited	(66,500	)	28.74		—
Outstanding at December 31, 2016	5,970,625		$	27.37	8.02
Granted	1,638,075		26.52		10.00
Exercised	(462,500	)	25.65		—
Forfeited	(263,425	)	27.71		—
Outstanding at December 31, 2017	6,882,775		$	27.27	7.82
Granted	2,500,742		35.25		10.00
Exercised	(884,878	)	27.57		—
Forfeited	(141,981	)	33.49		—
Outstanding at December 31, 2018	8,356,658		$	29.60	7.48
Exercisable and vested at December 31, 2018	3,531,066		$	27.39	6.27
Exercisable and vested at December 31, 2017	2,958,875		$	27.58	6.77
Exercisable and vested at December 31, 2016	2,271,375		$	27.23	7.21
Expected to vest at December 31, 2018	8,356,658		$	29.60	7.48