Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data and Earnings Per Share

The following table presents selected quarterly financial data for the periods indicated (in thousands, except per share data):

	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Year Ended December 31, 2019
Revenues	$	445,168	$	484,433	$	450,307	$	431,339
Operating (losses) earnings	5,253		(643)		303		2,887
Net (losses) earnings	4,908		6		640		2,653
Earnings (losses) per share:
Basic net (losses) earnings per share	$	1.16	$	—	$	0.15	$	0.63
Diluted net (losses) earnings per share	$	1.16	$	—	$	0.15	$	0.63
Year Ended December 31, 2018
Revenues	$	387,256	$	452,417	$	467,891	$	442,649
Operating (losses) earnings (1)	1,077		4,298		2,239		(6,206)
Net (losses) earnings	1,138		3,620		2,035		(3,848)
Earnings (losses) per share:
Basic net (losses) earnings per share	$	0.27	$	0.86	$	0.48	$	(0.91)
Diluted net (losses) earnings per share	$	0.27	$	0.86	$	0.48	$	(0.91)

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(1)The fourth quarter of 2018 includes inventory valuation losses of approximately $7.9 million in our crude oil marketing segment.