Segment Data (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Segment data for the three and six month periods ended June 30, 2016 and 2015 is presented below:

	Refining and Marketing			Asphalt			Retail			Corporate			Consolidated Total
Three Months Ended June 30, 2016
Net sales to external customers	$	753,029		$	68,097		$	187,262		$	—		$	1,008,388
Intersegment sales (purchases)	76,884			(3,237		)	(73,647		)	—			—
Depreciation and amortization	31,514			1,261			3,350			860			36,985
Operating income (loss)	(23,759		)	5,194			4,797			(1,043		)	(14,811		)
Turnarounds, catalysts and capital expenditures	19,222			335			1,200			689			21,446

	Refining and Marketing		Asphalt			Retail			Corporate			Consolidated Total
Three Months Ended June 30, 2015
Net sales to external customers	$	1,024,807	$	69,900		$	206,634		$	—		$	1,301,341
Intersegment sales (purchases)	101,233		(7,925		)	(93,308		)	—			—
Depreciation and amortization	26,692		1,207			2,943			425			31,267
Operating income (loss)	83,581		(1,723		)	6,837			(601		)	88,094
Turnarounds, catalysts and capital expenditures	14,500		238			6,202			1,392			22,332

	Refining and Marketing			Asphalt			Retail			Corporate			Consolidated Total
Six Months Ended June 30, 2016
Net sales to external customers	$	1,386,532		$	121,596		$	350,233		$	—		$	1,858,361
Intersegment sales (purchases)	139,994			(8,685		)	(131,309		)	—			—
Depreciation and amortization	61,298			2,521			6,749			1,279			71,847
Operating income (loss)	(66,122		)	4,546			8,979			(1,653		)	(54,250		)
Turnarounds, catalysts and capital expenditures	54,391			1,075			3,911			2,125			61,502

	Refining and Marketing		Asphalt			Retail			Corporate			Consolidated Total
Six Months Ended June 30, 2015
Net sales to external customers	$	1,901,410	$	120,552		$	382,619		$	—		$	2,404,581
Intersegment sales (purchases)	184,122		(18,856		)	(165,266		)	—			—
Depreciation and amortization	54,003		2,352			5,980			894			63,229
Operating income (loss)	159,228		(16,154		)	13,827			(1,246		)	155,655
Turnarounds, catalysts and capital expenditures	21,239		1,644			9,518			3,013			35,414

Total assets by reportable segment consisted of the following:

	June 30, 2016		December 31, 2015
Refining and marketing	$	1,869,095	$	1,822,924
Asphalt	118,940		106,015
Retail	237,630		231,078
Corporate	19,799		16,121
Total assets	$	2,245,464	$	2,176,138