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Revenue From Contracts With Customers (Tables) | 9 Months Ended
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Sep. 30, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following series of tables presents the Company’s heavy civil construction revenue disaggregated by several categories:
Revenue by major end market | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Heavy Highway | $ | 142,118 |  |  | $ | 151,882 |  |  | $ | 365,692 |  |  | $ | 385,844 |
Commercial | 34,875 |  |  | 32,261 |  |  | 94,300 |  |  | 89,889 |
Aviation | 39,105 |  |  | 30,587 |  |  | 106,103 |  |  | 81,671 |
Water Containment and Treatment | 15,960 |  |  | 18,457 |  |  | 46,709 |  |  | 48,973 |
Other | 19,699 |  |  | 21,357 |  |  | 48,267 |  |  | 58,691 |
Total Heavy Civil Construction Revenue | $ | 251,757 |  |  | $ | 254,544 |  |  | $ | 661,071 |  |  | $ | 665,068 |
Revenue by contract type | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Fixed Unit Price | $ | 207,807 |  |  | $ | 208,070 |  |  | $ | 534,323 |  |  | $ | 562,791 |
Lump Sum and Other | 43,950 |  |  | 46,474 |  |  | 126,748 |  |  | 102,277 |
Total Heavy Civil Construction Revenue | $ | 251,757 |  |  | $ | 254,544 |  |  | $ | 661,071 |  |  | $ | 665,068 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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