Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS (Details)

v3.21.1
INTANGIBLE ASSETS (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Schedule Of Intangible Assets And Goodwill [Line Items]      
Goodwill $ 19,860 $ 19,860 $ 6,000
Total intangible assets with indefinite lives 30,190 30,190  
Qwest | Asset Management Solutions      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Goodwill 13,416 13,416  
Qwest | Asset Management Solutions | Certifications      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Total intangible assets with indefinite lives 724 724  
ALGS | Tech Ops      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Goodwill 379 379  
ALGS | Tech Ops | Certifications      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Total intangible assets with indefinite lives 710 710  
ACS | Tech Ops      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Goodwill 63 63  
ACS | Tech Ops | Certifications      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Total intangible assets with indefinite lives 7,300 7,300  
ACS | Tech Ops | Trademarks      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Total intangible assets with indefinite lives 600 600  
ACT | Tech Ops      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Goodwill 6,002 6,002  
ACT | Tech Ops | FAA Certificates      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Total intangible assets with indefinite lives 796 796  
ACT | Tech Ops | Trademarks      
Schedule Of Intangible Assets And Goodwill [Line Items]      
Total intangible assets with indefinite lives $ 200 $ 200