Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Deferred Tax Assets | ||
| Costs incurred in excess of billings | $ 506 | $ 2,477 |
| Compensation and benefits | 10,816 | 11,353 |
| Reserves | 2,660 | 2,371 |
| Other | 3,116 | 3,332 |
| Net Operating Losses | 168 | 106 |
| Subtotal | 17,266 | 19,639 |
| Valuation allowance | (157) | (96) |
| Total deferred tax assets | 17,109 | 19,543 |
| Deferred Tax Liabilities | ||
| Goodwill | (77,171) | (77,306) |
| Property, plant and equipment, net | (769) | (1,165) |
| Unbilled receivables | (27,431) | (31,218) |
| Other liabilities | (1,178) | (1,187) |
| Total deferred tax liabilities | $ (106,549) | $ (110,876) |