Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 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	(39)		—		—		(39)
Balance as of June 30, 2019	$	14,072	$	5,147	$	—	$	19,219

Schedule of Intangible Assets

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

	June 30, 2019
	Weighted Average Amortization Period In Years	Gross Carrying Value		Accumulated Amortization		Net Carrying Amount
Non-compete agreements	4	$	1,245	$	(1,082)	$	163
Patents	10	374		(179)		195
Customer relationships	18	37,093		(12,561)		24,532
Trademarks and trade names	15	8,478		(3,883)		4,595
Technology	14	35,631		(18,679)		16,952
		$	82,821	$	(36,384)	$	46,437
	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 June 30, 2019, estimated amortization expense for the remainder of 2019 and thereafter was as follows:

	Amortization Expense
Remainder of 2019	$	3,215
2020	5,856
2021	5,821
2022	5,738
2023	5,242
2024 and thereafter	20,565
	$	46,437