Consolidated Statements of Changes in Equity Statement - USD ($) $ in Thousands	Total	Member's Equity [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2014	$ 1,630,516	$ 1,144,100	$ (26,876)	$ 513,292	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Member distributions	(350,658)			(350,658)
Member capital contributions	345,000	345,000
Distribution of assets to PBF LLC	(19,233)	(19,233)
Stock based compensation	9,218	9,218
Exercise of options and other	90	90
Net income	187,294			187,020	274
Noncontrolling interest acquired in Chalmette Acquisition	16,951				16,951
Other comprehensive income	2,106		2,106
Ending balance at Dec. 31, 2015	1,821,284	1,479,175	(24,770)	349,654	17,225
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Member distributions	(139,434)			(139,434)
Member capital contributions	830,247	830,247
Distribution of assets to PBF LLC	(172,743)	(172,743)
Stock based compensation	18,296	18,296
Exercise of options and other	886	886
Net income	235,886			235,617	269
Other comprehensive income	(2,592)		(2,592)
Other	(2,897)	2	1,400	682	(4,981)
Ending balance at Dec. 31, 2016	2,588,933	2,155,863	(25,962)	446,519	12,513
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Member distributions	(61,149)			(61,149)
Member capital contributions	183,298	183,298
Distribution of assets to PBF LLC	(25,547)
Stock based compensation	21,503	21,503
Net income	457,200			457,105	95
Other comprehensive income	(966)		(966)
Other	(4,717)	(873)	0	(2,044)	(1,800)
Ending balance at Dec. 31, 2017	$ 3,184,102	$ 2,359,791	$ (26,928)	$ 840,431	$ 10,808