Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 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	1,668
Warranty liability utilized	(1,693)
Balance as of Amount reclassified to accrued settlement	(6,600)
Balance as of December 31, 2018	$	2,057

Environmental Loss Contingencies

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

	Environmental liability
Balance as of December 31, 2017	$	6,144
Additions to environmental obligations	125
Environmental obligations utilized	(141)
Balance as of December 31, 2018	$	6,128

Schedule of Future Payments of Legal Settlements

The expected payments under the UPRR settlement agreement for December 31, 2019 and thereafter are as follows:

Year Ending December 31,
2019	$	10,000
2020	8,000
2021	8,000
2022	8,000
2023	8,000
2024	8,000
Total	$	50,000