Business Segment Information - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Segment Reporting Information [Line Items] | |||
| Unallocated corporate activity | $ 34,156 | $ 30,415 | $ 27,195 |
| Various Governments | Sales Revenue, Net | Customer Concentration Risk | |||
| Segment Reporting Information [Line Items] | |||
| Concentration risk percentage | 75.00% | 75.00% | 75.00% |
| U.S. Federal Government | Sales Revenue, Net | Customer Concentration Risk | |||
| Segment Reporting Information [Line Items] | |||
| Concentration risk percentage | 33.20% | 31.30% | 32.00% |
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- Definition Unallocated Corporate Expense Segment No definition available.
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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