Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability

The following table sets forth the Company’s product warranty accrual:

	Warranty Liability
Balance as of December 31, 2017	$	8,682
Additions to warranty liability	1,452
Warranty liability utilized	(771)
Balance as of September 30, 2018	$	9,363

Environmental Loss Contingencies

The following table sets forth the Company’s environmental obligation:

	Environmental liability
Balance as of December 31, 2017	$	6,144
Additions to environmental obligations	53
Environmental obligations utilized	(60)
Balance as of September 30, 2018	$	6,137