Revenue Recognition - Schedule of Revenue by Major Market (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation Of Revenue [Line Items]
Net sales	$ 125,480	$ 135,219	$ 398,880	$ 428,347
Consumer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	19,205	20,048	59,505	64,325
Vehicle [Member]
Disaggregation Of Revenue [Line Items]
Net sales	21,951	23,037	66,433	75,338
Food and Beverage [Member]
Disaggregation Of Revenue [Line Items]
Net sales	13,010	19,159	54,977	72,124
Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	29,926	35,418	102,008	105,745
Auto Aftermarket [Member]
Disaggregation Of Revenue [Line Items]
Net sales	41,388	37,557	115,957	110,815
Operating Segments [Member] | Material Handling [Member]
Disaggregation Of Revenue [Line Items]
Net sales	84,110	97,682	282,963	317,621
Operating Segments [Member] | Material Handling [Member] | Consumer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	19,205	20,048	59,505	64,325
Operating Segments [Member] | Material Handling [Member] | Vehicle [Member]
Disaggregation Of Revenue [Line Items]
Net sales	21,951	23,037	66,433	75,338
Operating Segments [Member] | Material Handling [Member] | Food and Beverage [Member]
Disaggregation Of Revenue [Line Items]
Net sales	13,010	19,159	54,977	72,124
Operating Segments [Member] | Material Handling [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	29,944	35,438	102,048	105,834
Operating Segments [Member] | Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	41,388	37,557	115,957	110,815
Operating Segments [Member] | Distribution [Member] | Auto Aftermarket [Member]
Disaggregation Of Revenue [Line Items]
Net sales	41,388	37,557	115,957	110,815
Inter-company [Member]
Disaggregation Of Revenue [Line Items]
Net sales	(18)	(20)	(40)	(89)
Inter-company [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ (18)	$ (20)	$ (40)	$ (89)