Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Cash and cash equivalents (PBFX: $19,664 and $64,221, respectively)	$ 573,021	$ 746,274
Preferred stock, par value (USD per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares outstanding	0	0
Marketable securities - current (PBFX: $0 and $40,024, respectively)	$ 0	$ 40,024
Property, plant and equipment, net (PBFX: $673,823 and $608,802, respectively)	3,479,213	3,328,770
Current debt (PBFX: $0 and $39,664, respectively)	10,987	39,664
Long-term debt (PBFX: $548,793 and $532,011, respectively)	$ 2,175,042	$ 2,108,570
Class A Common Stock [Member]
Common stock, par value (USD per share)	$ 0.001	$ 0.001
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares outstanding	110,586,762	109,204,047
Treasury stock, at cost, 6,132,884 shares outstanding at December 31, 2017 and 6,087,963 shares outstanding at December 31, 2016	6,132,884	6,087,963
Class B Common Stock [Member]
Common stock, par value (USD per share)	$ 0.001	$ 0.001
Common stock, shares authorized	1,000,000	1,000,000
Common stock, shares outstanding	25	28
PBF Logistics LP [Member]
Cash and cash equivalents (PBFX: $19,664 and $64,221, respectively)	$ 19,664	$ 64,221
Marketable securities - current (PBFX: $0 and $40,024, respectively)	0	40,024
Property, plant and equipment, net (PBFX: $673,823 and $608,802, respectively)	600,071	145,548
Marketable securities (PBFX: $0 and $234,258, respectively)	0	234,258
Current debt (PBFX: $0 and $39,664, respectively)	0	39,664
Long-term debt (PBFX: $548,793 and $532,011, respectively)	$ 548,793	$ 532,011