Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table presents the goodwill balance by reportable segment:

	Rail Products and Services		Construction Products		Tubular and Energy Services		Total
Balance as of December 31, 2018	$	14,111	$	5,147	$	—	$	19,258
Foreign currency translation impact	164		—		—		164
Balance as of March 31, 2019	$	14,275	$	5,147	$	—	$	19,422

Schedule of Intangible Assets

The components of the Company’s intangible assets were as follows:

	March 31, 2019
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Non-compete agreements	4	$	1,386	$	(1,139)	$	247
Patents	10	366		(173)		193
Customer relationships	18	37,337		(12,069)		25,268
Trademarks and trade names	15	8,497		(3,657)		4,840
Technology	14	35,688		(17,938)		17,750
		$	83,274	$	(34,976)	$	48,298
	December 31, 2018
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Non-compete agreements	4	$	1,372	$	(1,046)	$	326
Patents	10	358		(165)		193
Customer relationships	18	37,129		(11,388)		25,741
Trademarks and trade names	15	8,481		(3,416)		5,065
Technology	14	35,640		(17,129)		18,511
		$	82,980	$	(33,144)	$	49,836

Estimated Future Amortization

As of March 31, 2019, estimated amortization expense for the remainder of 2019 and thereafter was as follows:

	Amortization Expense
Remainder of 2019	$	4,925
2020	5,887
2021	5,852
2022	5,769
2023	5,263
2024 and thereafter	20,602
	$	48,298