Goodwill and Intangible Assets - Change in Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 79,256
Acquisition	10,036
Purchase accounting adjustment	(69)
Foreign currency translation	27
Ending balance	89,250
Distribution [Member]
Goodwill [Roll Forward]
Beginning balance	7,648
Acquisition	0
Purchase accounting adjustment	0
Foreign currency translation	0
Ending balance	7,648
Material Handling [Member]
Goodwill [Roll Forward]
Beginning balance	71,608
Acquisition	10,036
Purchase accounting adjustment	(69)
Foreign currency translation	27
Ending balance	$ 81,602