Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2017

Information concerning business activities

Information concerning our various business activities is summarized as follows for the periods indicated (in thousands):



	Reporting Segments
	Marketing		Transportation			Oil and Gas			Total

Three Months Ended June 30, 2017
Revenues	$	301,176	$	13,616		$	410		$	315,202
Segment operating earnings	1,691		293			95			2,079
Depreciation, depletion and amortization	1,977		1,472			114			3,563
Property and equipment additions (reductions)	191		(92		)	1,003			1,102

Three Months Ended June 30, 2016
Revenues	$	278,529	$	13,860		$	774		$	293,163
Segment operating (losses) earnings	7,235		701			(397		)	7,539
Depreciation, depletion and amortization	2,514		1,850			392			4,756
Property and equipment additions	251		334			17			602

Six Months Ended June 30, 2017
Revenues	$	589,791	$	27,071		$	1,427		$	618,289
Segment operating (losses) earnings	3,084		(5		)	53			3,132
Depreciation, depletion and amortization	4,046		3,063			423			7,532
Property and equipment additions	273		10			1,825			2,108

Six Months Ended June 30, 2016
Revenues	$	514,923	$	27,207		$	1,564		$	543,694
Segment operating (losses) earnings	11,883		874			(679		)	12,078
Depreciation, depletion and amortization	5,203		3,835			833			9,871
Property and equipment additions	514		4,151			147			4,812

Reconciliation of segment earnings to earnings before income taxes

Segment operating earnings reflect revenues net of operating costs and depreciation, depletion and amortization and are reconciled to earnings (losses) before income taxes, as follows for the periods indicated (in thousands):



	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016

Segment operating earnings	$	2,079		$	7,539		$	3,132		$	12,078
General and administrative	(1,460		)	(1,938		)	(4,097		)	(4,138		)
Operating earnings (losses)	619			5,601			(965		)	7,940
Loss on deconsolidation of subsidiary	(1,635		)	—			(1,635		)	—
Losses from equity investments	—			(209		)	—			(400		)
Interest income	260			96			419			199
Interest expense	(1		)	—			(2		)	—
(Losses) earnings before income taxes	$	(757	)	$	5,488		$	(2,183	)	$	7,739

Identifiable assets by industry segment

Identifiable assets by industry segment were as follows at the dates indicated (in thousands):



	June 30,		December 31,
	2017		2016

Marketing	$	93,092	$	107,257
Transportation	30,348		32,120
Oil and Gas (1)	5,070		7,279
Cash and other	115,440		100,216
Total assets	$	243,950	$	246,872

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(1)	At June 30, 2017, amount represents our cost method investment in this segment.