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Inventory (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Inventory at December 31, 2016 and 2017 was as follows (in thousands):



		December 31,
		2016				2017
Refined products		$	54,285			$	73,845
Liquefied petroleum gases		24,868				45,553
Transmix		28,319				33,319
Crude oil		20,839				23,763
Additives		6,067				5,865
Total inventory		$	134,378			$	182,345