Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

Note 23. QUARTERLY FINANCIAL DATA (UNAUDITED)

The following table summarizes quarterly financial data for the years ended December 31, 2017 and 2016 (in thousands):

	2017 Quarter Ended
	March 31		June 30			September 30		December 31
Operating revenues	$	469,286	$	528,789		$	544,092	$	552,660
Gross profit		37,446		41,622			41,575		40,123
Operating income		5,580		2,718			12,284		11,837
Net income (loss) attributable to limited partners		1,696		(3,993	)		4,333		21,122
Basic earnings (loss) per common unit(a)		0.02		(0.15	)		0.10		0.59
Diluted earnings (loss) per common unit(a)		0.02		(0.15	)		0.10		0.59
	2016 Quarter Ended
	March 31		June 30			September 30		December 31
Operating revenues	$	367,740	$	512,644		$	487,950	$	501,472
Gross profit		37,190		40,515			39,138		38,724
Operating income		5,921		9,356			9,993		6,901
Net income attributable to limited partners		1,767		3,626			2,989		2,322
Basic earnings per common unit(a)		0.03		0.08			0.06		0.04
Diluted earnings per common unit(a)		0.03		0.08			0.06		0.04

(a) Earnings (loss) per common unit amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly earnings per share amounts may not equal the annual earnings per share amounts.