Goodwill and Intangible Assets - Schedule of Identifiable Assets (Details) - USD ($) $ in Thousands |
Apr. 03, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 20,036 | $ 20,036 |
| Accumulated Amortization | (6,125) | (5,110) |
| Net Carrying Amount | 13,911 | 14,926 |
| Contract backlogs and recompetes | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 11,600 | 11,600 |
| Accumulated Amortization | (4,886) | (4,300) |
| Net Carrying Amount | 6,714 | 7,300 |
| Customer contracts | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 7,200 | 7,200 |
| Accumulated Amortization | (1,064) | (692) |
| Net Carrying Amount | 6,136 | 6,508 |
| Trade names and other | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 1,236 | 1,236 |
| Accumulated Amortization | (175) | (118) |
| Net Carrying Amount | $ 1,061 | $ 1,118 |