Other Liabilities - Additional Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Other Liabilities Disclosure [Line Items]
Accrued product replacement costs	$ 2,300	$ 2,300
Material Handling [Member]
Other Liabilities Disclosure [Line Items]
Product replacement costs	3,500
Accrued product replacement costs	$ 2,300	2,300
Minimum [Member] | Material Handling [Member]
Other Liabilities Disclosure [Line Items]
Product replacement costs		3,500
Maximum [Member] | Material Handling [Member]
Other Liabilities Disclosure [Line Items]
Product replacement costs		$ 4,000