OTHER LONG-TERM LIABILITIES

12 Months Ended

Dec. 31, 2018

Other Liabilities Disclosure [Abstract]

OTHER LONG-TERM LIABILITIES

OTHER LONG-TERM LIABILITIES

Other long-term liabilities consisted of the following:

	December 31, 2018		December 31, 2017
Environmental liabilities	$	135,145	$	138,545
Defined benefit pension plan liabilities	74,972		63,579
Early railcar return liability	23,315		—
Post-retirement medical plan liabilities	19,345		21,527
Other	824		310
Total other long-term liabilities	$	253,601	$	223,961