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Revenue From Contracts With Customers (Tables) | 6 Months Ended
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Jun. 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 June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Heavy Highway | $ | 129,964 |  |  | $ | 126,554 |  |  | $ | 223,574 |  |  | $ | 233,962 |
Commercial | 28,575 |  |  | 29,109 |  |  | 59,425 |  |  | 57,628 |
Aviation | 37,061 |  |  | 27,832 |  |  | 66,998 |  |  | 51,084 |
Water Containment and Treatment | 15,515 |  |  | 15,521 |  |  | 30,749 |  |  | 30,516 |
Other | 17,015 |  |  | 24,267 |  |  | 28,568 |  |  | 37,334 |
Total Heavy Civil Construction Revenue | $ | 228,130 |  |  | $ | 223,283 |  |  | $ | 409,314 |  |  | $ | 410,524 |
Revenue by contract type | Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Fixed Unit Price | $ | 185,297 |  |  | $ | 194,485 |  |  | $ | 326,516 |  |  | $ | 354,721 |
Lump Sum and Other | 42,833 |  |  | 28,798 |  |  | 82,798 |  |  | 55,803 |
Total Heavy Civil Construction Revenue | $ | 228,130 |  |  | $ | 223,283 |  |  | $ | 409,314 |  |  | $ | 410,524 |

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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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