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INTANGIBLE ASSETS - Estimated useful lives (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Intangible assets |  |
Total intangible assets with definite lives | $ 13,257 | $ 13,782
Asset Management Solutions | Qwest | Customer relationships |  |
Intangible assets |  |
Useful life (in years) | 10 years |
Total intangible assets with definite lives | $ 5,896 | 6,136
TechOps | ALGS | Customer relationships |  |
Intangible assets |  |
Useful life (in years) | 10 years |
Total intangible assets with definite lives | $ 45 | 50
TechOps | ACS | Customer relationships |  |
Intangible assets |  |
Useful life (in years) | 10 years |
Total intangible assets with definite lives | $ 1,190 | 1,243
TechOps | ACT | Customer relationships |  |
Intangible assets |  |
Useful life (in years) | 10 years |
Total intangible assets with definite lives | $ 6,126 | $ 6,353

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