INTANGIBLE ASSETS - Estimated useful lives (Details) - USD ($) |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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| Intangible assets | ||
| Total intangible assets with definite lives | $ 18,034,000 | $ 11,041,000 |
| Asset Management Solutions | Qwest | Customer relationships | ||
| Intangible assets | ||
| Useful life (in years) | 10 years | |
| Total intangible assets with definite lives | $ 8,083,000 | 9,058,000 |
| Tech Ops | ACS | Customer relationships | ||
| Intangible assets | ||
| Useful life (in years) | 10 years | |
| Total intangible assets with definite lives | $ 90,000 | 110,000 |
| Tech Ops | Avborne Component Solutions | Customer relationships | ||
| Intangible assets | ||
| Useful life (in years) | 10 years | |
| Total intangible assets with definite lives | $ 1,663,000 | $ 1,873,000 |
| Tech Ops | ACT | Customer relationships | ||
| Intangible assets | ||
| Useful life (in years) | 10 years | |
| Total intangible assets with definite lives | $ 8,198,000 |
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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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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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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