Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

As of December 31, 2023 and 2022, the following table represents the goodwill balance by reportable segment:

	Rail, Technologies, and Services		Infrastructure Solutions		Total
Balance as of December 31, 2021:	$	14,577	$	5,575	$	20,152
Acquisitions	5,549		8,221		13,770
Foreign currency translation impact	(178)		—		(178)
Impairment charges	—		(3,011)		(3,011)
Balance as of December 31, 2022:	19,948		10,785		30,733
Acquisitions	—		1,336		1,336
Foreign currency translation impact	518		—		518
Balance as of December 31, 2023:	$	20,466	$	12,121	$	32,587

Schedule of Finite-Lived Intangible Assets

As of December 31, 2023 and 2022, the components of the Company’s intangible assets were as follows:

	December 31, 2023
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Patents	10	$	335	$	(199)	$	136
Customer relationships	16	27,712		(17,236)		10,476
Trademarks and trade names	16	7,989		(4,593)		3,396
Technology	9	32,658		(27,906)		4,752
Favorable lease	6	327		(77)		250
		$	69,021	$	(50,011)	$	19,010
	December 31, 2022
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Non-compete agreements	1	$	27	$	(16)	$	11
Patents	10	330		(187)		143
Customer relationships	16	27,184		(14,129)		13,055
Trademarks and trade names	16	7,933		(3,989)		3,944
Technology	14	32,201		(25,827)		6,374
Favorable lease	6	327		(23)		304
		$	68,002	$	(44,171)	$	23,831

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated annual amortization expense for the years ending December 31, 2024 and thereafter is as follows:

Year Ending December 31,
2024	$	4,393
2025	2,922
2026	2,331
2027	1,989
2028	1,519
2029 and thereafter	5,856
	$	19,010