Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table represents the goodwill balance by reportable segment:

	Rail Products and Services			Construction Products		Tubular and Energy Services			Total
Balance at December 31, 2015:	$	48,188		$	5,147	$	28,417		$	81,752
Foreign currency translation impact	(1,524		)	—		—			(1,524		)
Disposition	(154		)	—		—			(154		)
Impairment charges	(32,725		)	—		(28,417		)	(61,142		)
Balance at December 31, 2016:	13,785			5,147		—			18,932
Foreign currency translation impact	853			—		—			853
Balance at December 31, 2017:	$	14,638		$	5,147	$	—		$	19,785

Schedule of Finite-Lived Intangible Assets

The following table represents the gross definite-lived intangible assets balance by reportable segment at December 31:

	2017		2016
Rail Products and Services	$	57,654	$	56,476
Construction Products	1,348		1,348
Tubular and Energy Services	29,179		29,179
	$	88,181	$	87,003

Schedule of Intangible Assets and Goodwill

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

	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
	December 31, 2016
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization			Net Carrying Amount
Non-compete agreements	5	$	4,219	$	(2,217	)	$	2,002
Patents	10	373		(143		)	230
Customer relationships	18	36,843		(6,582		)	30,261
Trademarks and trade names	14	10,018		(3,238		)	6,780
Technology	14	35,550		(11,304		)	24,246
		$	87,003	$	(23,484	)	$	63,519

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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

	Amortization Expense
2018	$	7,036
2019	6,314
2020	5,991
2021	5,971
2022	5,904
2023 and thereafter	26,224
	$	57,440