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Costs and Estimated Earnings on Uncompleted Contracts (Tables) | 6 Months Ended
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Jun. 30, 2017
Contractors [Abstract] |
Schedule of Cost and Estimated Earnings on Uncompleted Contracts | Uncompleted contracts were as follows for the six months ended June 30 (in thousands):
|  | 2017 |
Costs incurred on uncompleted contracts |  | $ | 60,127 |
Estimated earnings |  |  | 35,037 |
Total |  |  | 95,164 |
Less: Billings to date |  |  | 93,360 |
Net under (over) billings |  | $ | 1,804 |
Schedule of Net Under (Over) Billings | Net under (over) billings were as follows as of June 30 (in thousands):
|  | 2017 |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 6,150 |
Billings in excess of costs and estimated earnings on uncompleted contracts |  |  | (4,346 | )
Net under (over) billings |  | $ | 1,804 |

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