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Revenue From Customers (Tables) | 9 Months Ended
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Sep. 30, 2020
Revenue from Contract with Customer [Abstract] |
Schedule of Backlog By Segment | The Company had the following backlog, by segment:
| September 30, 2020 |  | December 31, 2019
Heavy Civil Backlog | $ | 945,060 |  |  | $ | 834,049 |
Specialty Services Backlog | 293,081 |  |  | 233,976 |
Total Heavy Civil and Specialty Services Backlog | $ | 1,238,141 |  |  | $ | 1,068,025 |
Disaggregation of Revenue | The following tables present the Company’s revenue disaggregated by major end market and contract type:
| Three Months Ended September 30, |  | Nine Months Ended September 30, |  |
Revenue by major end market | 2020 |  | 2019 |  | 2020 |  | 2019 |  |  |  |  |  |
Heavy Highway | $ | 148,239 |  |  | $ | 142,118 |  |  | $ | 397,139 |  |  | $ | 365,692 |  |  |  |  |  |  |
Aviation | 20,473 |  |  | 39,105 |  |  | 83,797 |  |  | 106,103 |  |  |  |  |  |  |
Water Containment and Treatment | 17,751 |  |  | 15,960 |  |  | 56,089 |  |  | 46,709 |  |  |  |  |  |  |
Other | 14,615 |  |  | 21,711 |  |  | 40,116 |  |  | 51,131 |  |  |  |  |  |  |
Heavy Civil Revenue | $ | 201,078 |  |  | $ | 218,894 |  |  | $ | 577,141 |  |  | $ | 569,635 |  |  |  |  |  |  |
Land Development | $ | 114,961 |  |  | $ | — |  |  | $ | 296,845 |  |  | $ | — |  |  |  |  |  |  |
Commercial | 25,010 |  |  | 32,863 |  |  | 83,552 |  |  | 91,436 |  |  |  |  |  |  |
Specialty Services Revenue | $ | 139,971 |  |  | $ | 32,863 |  |  | $ | 380,397 |  |  | $ | 91,436 |  |  |  |  |  |  |
Residential Revenue | $ | 42,409 |  |  | $ | 39,942 |  |  | $ | 122,646 |  |  | $ | 118,663 |  |  |  |  |  |  |
Revenues | $ | 383,458 |  |  | $ | 291,699 |  |  | $ | 1,080,184 |  |  | $ | 779,734 |  |  |  |  |  |  |
Revenue by contract type |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-Unit Price | $ | 187,692 |  |  | $ | 207,807 |  |  | $ | 631,639 |  |  | $ | 534,323 |  |  |  |  |  |  |
Lump Sum | 148,463 |  |  | 43,959 |  |  | 301,025 |  |  | 125,096 |  |  |  |  |  |  |
Residential and Other | 47,303 |  |  | 39,933 |  |  | 147,520 |  |  | 120,315 |  |  |  |  |  |  |
Revenues | $ | 383,458 |  |  | $ | 291,699 |  |  | $ | 1,080,184 |  |  | $ | 779,734 |  |  |  |  |  |  |

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