Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS - Estimated useful lives (Details)

v3.21.1
INTANGIBLE ASSETS - Estimated useful lives (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Total intangible assets with definite lives $ 17,509 $ 18,034
Asset Management Solutions | Qwest | Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Useful Life In Years 10 years  
Total intangible assets with definite lives $ 7,843 8,083
Tech Ops | ALGS | Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Useful Life In Years 10 years  
Total intangible assets with definite lives $ 85 90
Tech Ops | ACS | Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Useful Life In Years 10 years  
Total intangible assets with definite lives $ 1,610 1,663
Tech Ops | ACT | Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Useful Life In Years 10 years  
Total intangible assets with definite lives $ 7,971 $ 8,198