Goodwill (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the year ended December 31, 2019, 2020, and 2021 are as follows:

	Vegetation Management			Industrial Equipment			Consolidated
(in thousands)
Balance at December 31, 2018		$	16,751		$	66,492		$	83,243
Translation adjustment		(72)			92			20
Goodwill acquired		110,215			4,544			114,759
Balance at December 31, 2019		$	126,894		$	71,128		$	198,022
Translation adjustment		132			1,036			1,168
Goodwill adjustment		(2,045)			(2,013)			(4,058)
Balance at December 31, 2020		$	124,981		$	70,151		$	195,132
Translation adjustment		(1,510)			(708)			(2,218)
Goodwill acquired		9,492			—			9,492
Balance at December 31, 2021		$	132,963		$	69,443		$	202,406