Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Information concerning business activities

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

	Reporting Segments
	Marketing		Transportation		Other		Total
Three Months Ended March 31, 2019
Revenues	$	429,761	$	15,407	$	—	$	445,168
Segment operating earnings (1)	7,098		839		—		7,937
Depreciation and amortization	2,122		1,467		—		3,589
Property and equipment additions	1,654		6,697		—		8,351
Three Months Ended March 31, 2018
Revenues	$	373,638	$	13,618	$	—	$	387,256
Segment operating earnings (1)	2,958		402		—		3,360
Depreciation and amortization	1,497		915		—		2,412
Property and equipment additions	793		73		—		866

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(1)  Our marketing segment’s operating earnings included inventory liquidation gains of $4.5 million and $0.6 million for the three months ended March 31, 2019 and 2018, respectively.

Reconciliation of segment earnings to earnings before income taxes

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

	Three Months Ended March 31,
	2019		2018
Segment operating earnings	$	7,937	$	3,360
General and administrative	(2,684)		(2,283)
Operating earnings	5,253		1,077
Gain on dissolution of investment	498		—
Interest income	656		387
Interest expense	(65)		(19)
Earnings before income taxes	$	6,342	$	1,445

Identifiable assets by industry segment

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

	March 31,		December 31,
	2019		2018
Reporting segment:
Marketing	$	135,755	$	119,370
Transportation	40,796		34,112
Cash and other	138,084		125,388
Total assets	$	314,635	$	278,870