v3.20.4
Summary of significant accounting policies - Goodwill (Details)
$ in Thousands
2 Months Ended 10 Months Ended 12 Months Ended 34 Months Ended
Dec. 31, 2020
USD ($)
item
Oct. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Oct. 30, 2020
item
Oct. 31, 2020
USD ($)
Dec. 31, 2018
USD ($)
Goodwill              
Number of reporting unit | item 5       1    
Impairment loss $ 0 $ 0 $ 0 $ 0      
Goodwill $ 58,579   $ 58,579 $ 58,579   $ 58,579 $ 59,640
Carrier services              
Goodwill              
Goodwill           37,740  
Military              
Goodwill              
Goodwill           15,151  
Mulitifamily              
Goodwill              
Goodwill           3,062  
Legacy              
Goodwill              
Goodwill           1,829  
Private networks and emerging technologies              
Goodwill              
Goodwill           $ 797