Goodwill (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Carrying Amount of Goodwill by Reportable Segment

The changes in the carrying amount of goodwill by reportable segment for the three months ended March 31, 2019 are as follows:

(in thousands)	Trade		Plant Nutrient		Rail		Total
Balance as of January 1, 2019	$	1,171	$	686	$	4,167	$	6,024
Acquisitions	113,617		—		—		113,617
Balance as of March 31, 2019	$	114,788	$	686	$	4,167	$	119,641