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Revenue From Customers (Tables) | 9 Months Ended
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Sep. 30, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of Backlog By Segment | The following table presents the Company’s backlog, by segment:
| September 30, 2021 |  | December 31, 2020
Heavy Civil Backlog | $ | 1,019,904 |  |  | $ | 898,183 |
Specialty Services Backlog | 391,443 |  |  | 277,205 |
Total Heavy Civil and Specialty Services Backlog | $ | 1,411,347 |  |  | $ | 1,175,388 |
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, |  |
Revenues by major end market | 2021 |  | 2020 |  | 2021 |  | 2020 |  |  |  |  |  |
Heavy Highway | $ | 188,746 |  |  | $ | 148,239 |  |  | $ | 427,451 |  |  | $ | 397,139 |  |  |  |  |  |  |
Aviation | 35,840 |  |  | 20,473 |  |  | 99,816 |  |  | 83,797 |  |  |  |  |  |  |
Water Containment and Treatment | 11,463 |  |  | 17,751 |  |  | 41,890 |  |  | 56,089 |  |  |  |  |  |  |
Other | 13,849 |  |  | 14,615 |  |  | 30,948 |  |  | 40,116 |  |  |  |  |  |  |
Heavy Civil Revenues | 249,898 |  |  | 201,078 |  |  | 600,105 |  |  | 577,141 |  |  |  |  |  |  |
Site Development | 121,286 |  |  | 114,961 |  |  | 341,601 |  |  | 296,845 |  |  |  |  |  |  |
Commercial | 26,970 |  |  | 25,010 |  |  | 82,647 |  |  | 83,552 |  |  |  |  |  |  |
Specialty Services Revenues | 148,256 |  |  | 139,971 |  |  | 424,248 |  |  | 380,397 |  |  |  |  |  |  |
Residential Revenues | 65,295 |  |  | 42,409 |  |  | 156,078 |  |  | 122,646 |  |  |  |  |  |  |
Total Revenues | $ | 463,449 |  |  | $ | 383,458 |  |  | $ | 1,180,431 |  |  | $ | 1,080,184 |  |  |  |  |  |  |
Revenues by contract type |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-Unit Price | $ | 267,093 |  |  | $ | 187,692 |  |  | $ | 670,526 |  |  | $ | 631,639 |  |  |  |  |  |  |
Lump Sum | 129,742 |  |  | 148,463 |  |  | 348,313 |  |  | 301,025 |  |  |  |  |  |  |
Residential and Other | 66,614 |  |  | 47,303 |  |  | 161,592 |  |  | 147,520 |  |  |  |  |  |  |
Total Revenues | $ | 463,449 |  |  | $ | 383,458 |  |  | $ | 1,180,431 |  |  | $ | 1,080,184 |  |  |  |  |  |  |

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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 + Details
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