Goodwill and Other Intangible Assets (Table)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill

The changes in the carrying amount of goodwill by reportable segment for the years ended December 31, 2017, 2016 and 2015 are as follows:

(in thousands)	Grain			Plant Nutrient			Rail		Total
Balance at January 1, 2015	$	46,422		$	21,776		$	4,167	$	72,365
Acquisitions	—			47,735			—		47,735
Impairments	(46,422		)	(9,744		)	—		(56,166		)
Balance at December 31, 2015	—			59,767			4,167		63,934
Acquisitions	—			—			—		—
Balance at December 31, 2016	—			59,767			4,167		63,934
Acquisitions	1,171			—			—		1,171
Impairments	—			(59,081		)	—		(59,081		)
Balance at December 31, 2017	$	1,171		$	686		$	4,167	$	6,024

Intangible assets included in other assets

The Company's other intangible assets are as follows:

(in thousands)	Original Cost		Accumulated Amortization		Net Book Value
December 31, 2017
Intangible asset class
Customer list	$	41,151	$	18,437	$	22,714
Non-compete agreement	4,665		3,563		1,102
Supply agreement	9,806		5,699		4,107
Technology	15,500		5,616		9,884
Trademarks and patents	18,185		5,882		12,303
Lease intangible	12,420		5,707		6,713
Software	84,339		28,372		55,967
Other	2,023		1,920		103
	$	188,089	$	75,196	$	112,893
December 31, 2016
Intangible asset class
Customer list	$	41,477	$	14,958	$	26,519
Non-compete agreement	4,594		3,064		1,530
Supply agreement	9,806		4,827		4,979
Technology	15,500		4,243		11,257
Trademarks and patents	18,717		4,335		14,382
Lease intangible	5,514		4,969		545
Software	71,362		24,592		46,770
Other	1,953		1,835		118
	$	168,923	$	62,823	$	106,100