Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

As of December 31, 2021 and 2020, the following table represents the goodwill balance by reportable segment:

	Rail, Technologies, and Services		Precast Concrete Products		Steel Products and Measurement		Total
Balance as of December 31, 2019:	$	14,418	$	2,136	$	3,011	$	19,565
Acquisitions	—		450		—		450
Foreign currency translation impact	325		—		—		325
Balance as of December 31, 2020:	14,743		2,586		3,011		20,340
Acquisitions	—		(22)		—		(22)
Foreign currency translation impact	(166)		—		—		(166)
Balance as of December 31, 2021:	$	14,577	$	2,564	$	3,011	$	20,152

Schedule of Intangible Assets

As of December 31, 2021 and 2020, the components of the Company’s intangible assets were as follows:

	December 31, 2021
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Patents	10	$	385	$	(218)	$	167
Customer relationships	18	36,163		(18,222)		17,941
Trademarks and trade names	16	7,801		(4,702)		3,099
Technology	13	35,772		(25,956)		9,816
		$	80,121	$	(49,098)	$	31,023
	December 31, 2020
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Patents	10	$	383	$	(206)	$	177
Customer relationships	18	36,269		(15,914)		20,355
Trademarks and trade names	16	7,809		(4,135)		3,674
Technology	13	35,815		(23,124)		12,691
		$	80,276	$	(43,379)	$	36,897

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated annual amortization expense for the years ending December 31, 2022 and thereafter is as follows:

Year Ending December 31,
2022	$	5,754
2023	5,282
2024	4,281
2025	2,479
2026	2,055
2027 and thereafter	11,171
	$	31,023