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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table summarizes the Company's net sales by major product and service category:
|  | Three Months Ended June 30, |  |  |  | Six Months Ended June 30, |  |
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Rail Products |  | $ | 67,990 |  | $ | 54,332 |  | $ | 114,196 |  | $ | 90,366
Rail Technologies |  | 33,411 |  | 37,552 |  | 62,899 |  | 63,688
Rail Products and Services |  | 101,401 |  | 91,884 |  | 177,095 |  | 154,054
Piling and Fabricated Bridge |  | 37,588 |  | 25,846 |  | 61,320 |  | 44,707
Precast Concrete Products |  | 17,818 |  | 16,361 |  | 31,431 |  | 26,400
Construction Products |  | 55,406 |  | 42,207 |  | 92,751 |  | 71,107
Test, Inspection, and Threading Services |  | 13,804 |  | 15,008 |  | 28,528 |  | 29,221
Protective Coatings and Measurement Systems |  | 30,322 |  | 23,791 |  | 53,028 |  | 40,962
Tubular and Energy Services |  | 44,126 |  | 38,799 |  | 81,556 |  | 70,183
Total net sales |  | $ | 200,933 |  | $ | 172,890 |  | $ | 351,402 |  | $ | 295,344
Net sales by the timing of the transfer of goods and services was as follows:
|  | Three Months Ended June 30, 2019 |  |  |  |  |  |
|  | Rail Products and Services |  | Construction Products |  | Tubular and Energy Services |  | Total
Point in time |  | $ | 80,701 |  | $ | 38,095 |  | $ | 33,542 |  | $ | 152,338
Over time |  | 20,700 |  | 17,311 |  | 10,584 |  | 48,595
Total net sales |  | $ | 101,401 |  | $ | 55,406 |  | $ | 44,126 |  | $ | 200,933
|  | Three Months Ended June 30, 2018 |  |  |  |  |  |
|  | Rail Products and Services |  | Construction Products |  | Tubular and Energy Services |  | Total
Point in time |  | $ | 69,295 |  | $ | 28,196 |  | $ | 34,923 |  | $ | 132,414
Over time |  | 22,589 |  | 14,011 |  | 3,876 |  | 40,476
Total net sales |  | $ | 91,884 |  | $ | 42,207 |  | $ | 38,799 |  | $ | 172,890
|  | Six Months Ended June 30, 2019 |  |  |  |  |  |
|  | Rail Products and Services |  | Construction Products |  | Tubular and Energy Services |  | Total
Point in time |  | $ | 137,193 |  | $ | 61,190 |  | $ | 62,676 |  | $ | 261,059
Over time |  | 39,902 |  | 31,561 |  | 18,880 |  | 90,343
Total net sales |  | $ | 177,095 |  | $ | 92,751 |  | $ | 81,556 |  | $ | 351,402
|  | Six Months Ended June 30, 2018 |  |  |  |  |  |
|  | Rail Products and Services |  | Construction Products |  | Tubular and Energy Services |  | Total
Point in time |  | $ | 115,166 |  | $ | 47,122 |  | $ | 61,358 |  | $ | 223,646
Over time |  | 38,888 |  | 23,985 |  | 8,825 |  | 71,698
Total net sales |  | $ | 154,054 |  | $ | 71,107 |  | $ | 70,183 |  | $ | 295,344

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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