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Revenue From Contracts With Customers (Tables) | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue |
Revenue by major end market | Three Months Ended March 31,
| 2019 |  | 2018
Heavy Highway | $ | 93,610 |  |  | $ | 107,408 |
Commercial | 30,850 |  |  | 28,519 |
Aviation | 29,937 |  |  | 23,252 |
Water Containment and Treatment | 15,234 |  |  | 14,995 |
Other | 11,553 |  |  | 13,067 |
Total Heavy Civil Construction Revenue | $ | 181,184 |  |  | $ | 187,241 |
Revenue by contract type | Three Months Ended March 31,
| 2019 |  | 2018
Fixed Unit Price | $ | 141,219 |  |  | $ | 160,236 |
Lump Sum and Other | 39,965 |  |  | 27,005 |
Total Heavy Civil Construction Revenue | $ | 181,184 |  |  | $ | 187,241 |
Costs in Excess of Billings and Billings in Excess of Costs | The table below reconciles the net excess billings to the amounts included in the Condensed Consolidated Balance Sheets at those dates:
| March 31, 2019 |  | December 31, 2018
Costs and estimated earnings in excess of billings on uncompleted contracts | $ | 44,133 |  |  | $ | 41,542 |
Billings in excess of costs and estimated earnings on uncompleted contracts | (55,598 | ) |  | (62,407 | )
Net amount of billings in excess of costs and estimated earnings on uncompleted contracts | $ | (11,465 | ) |  | $ | (20,865 | )

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