Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

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, 2018	$	2,057
Additions to warranty liability	767
Warranty liability utilized	(1,602)
Balance as of December 31, 2019	$	1,222

Schedule of Future Payments of Legal Settlements

The expected payments under the UPRR settlement agreement for the year ending December 31, 2020 and thereafter were as follows:

Year Ending December 31,
2020	$	8,000
2021	8,000
2022	8,000
2023	8,000
2024	8,000
Total	$	40,000

Environmental Loss Contingencies

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

	Environmental Liability
Balance as of December 31, 2018	$	6,128
Additions to environmental obligations	54
Environmental obligations utilized	(114)
Balance as of December 31, 2019	$	6,068