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Costs and Billings on Uncompleted Contracts (Tables) | 12 Months Ended
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Dec. 31, 2016
Costs and Billings on Uncompleted Contracts [Abstract] |
Schedule of Deferred Project Costs and Revenue | The below table shows the components of these items:
|  | As of December 31,
(in thousands) |  | 2016 |  | 2015
Costs incurred on uncompleted contracts (gross) |  | $ | 42,993 |  |  | $ | 72,581 |
Billings on uncompleted contracts (gross) |  | (47,915 | ) |  | (80,152 | )
|  | $ | (4,922 | ) |  | $ | (7,571 | )
Included in the accompanying balance sheets under the following captions (1): |  |  |  |
Costs in excess of billings on uncompleted contracts |  | $ | 25 |  |  | $ | 2,137 |
Billings in excess of costs on uncompleted contracts |  | (4,947 | ) |  | (9,708 | )
|  | $ | (4,922 | ) |  | $ | (7,571 | )
(1) Amounts presented after netting of costs and billings on an individual contract basis.

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