Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

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 at December 31, 2017	$	14,638	$	5,147	$	—	$	19,785
Foreign currency translation impact	(219)		—		—		(219)
Balance at June 30, 2018	$	14,419	$	5,147	$	—	$	19,566

Schedule of Finite-Lived Intangible Assets

The following table represents the gross balances of other intangible asset by reportable segment:

	June 30, 2018		December 31, 2017
Rail Products and Services*	$	57,321	$	57,654
Construction Products	1,348		1,348
Tubular and Energy Services	29,179		29,179
	$	87,848	$	88,181

* Gross balances include the impact of foreign currency translation adjustments.

Schedule of Intangible Assets

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

	June 30, 2018
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Non-compete agreements	5	$	4,224	$	(3,539)	$	685
Patents	10	372		(164)		208
Customer relationships	17	37,458		(10,312)		27,146
Trademarks and trade names	14	10,067		(4,504)		5,563
Technology	14	35,727		(15,654)		20,073
		$	87,848	$	(34,173)	$	53,675
	December 31, 2017
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Non-compete agreements	5	$	4,238	$	(3,100)	$	1,138
Patents	10	389		(164)		225
Customer relationships	17	37,679		(9,171)		28,508
Trademarks and trade names	14	10,085		(4,091)		5,994
Technology	14	35,790		(14,215)		21,575
		$	88,181	$	(30,741)	$	57,440

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for the remainder of 2018 and thereafter is as follows:

	Amortization Expense
2018	$	3,448
2019	6,280
2020	5,959
2021	5,939
2022	5,888
2023 and thereafter	26,161
	$	53,675