Goodwill (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the twelve months ended December 31, 2016, 2017, and 2018 are as follows:

	Industrial			Agricultural			European			Consolidated
(in thousands)
Balance at December 31, 2015		$	56,293		$	2,984		$	16,232		$	75,509
Translation adjustment		154			505			(1,343)			(684)
Balance at December 31, 2016		$	56,447		$	3,489		$	14,889		$	74,825
Translation adjustment		389			(27)			1,833			2,195
Goodwill acquired		4,846			2,895			—			7,741
Balance at December 31, 2017		$	61,682		$	6,357		$	16,722		$	84,761
Translation adjustment		(659)			(901)			(816)			(2,376)
Goodwill adjustment		84			774			—			858
Balance at December 31, 2018		$	61,107		$	6,230		$	15,906		$	83,243