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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 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 |  | 344 |  |  | — |  |  | — |  |  | 344 |
Balance at March 31, 2018 |  | $ | 14,982 |  |  | $ | 5,147 |  |  | $ | — |  |  | $ | 20,129 |
Schedule of Finite-Lived Intangible Assets | The following table represents the gross other intangible assets balance by reportable segment:
|  | March 31, 2018 |  | December 31, 2017
Rail Products and Services |  | $ | 58,156 |  |  | $ | 57,654 |
Construction Products |  | 1,348 |  |  | 1,348 |
Tubular and Energy Services |  | 29,179 |  |  | 29,179 |
|  | $ | 88,683 |  |  | $ | 88,181 |
Schedule of Intangible Assets | The components of the Company’s intangible assets are as follows:
|  | March 31, 2018
|  | Weighted Average Amortization Period In Years |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Amount
Non-compete agreements |  | 5 |  | $ | 4,262 |  |  | $ | (3,339 | ) |  | $ | 923 |
Patents |  | 10 |  | 379 |  |  | (164 | ) |  | 215 |
Customer relationships |  | 17 |  | 38,040 |  |  | (9,893 | ) |  | 28,147 |
Trademarks and trade names |  | 14 |  | 10,114 |  |  | (4,310 | ) |  | 5,804 |
Technology |  | 14 |  | 35,888 |  |  | (14,976 | ) |  | 20,912 |
|  |  |  | $ | 88,683 |  |  | $ | (32,682 | ) |  | $ | 56,001 |
|  | 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 | $ | 5,290 |
2019 | 6,367 |
2020 | 6,039 |
2021 | 6,018 |
2022 | 5,959 |
2023 and thereafter | 26,328 |
| $ | 56,001 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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