Annual report pursuant to Section 13 and 15(d)

Goodwill - Schedule of Goodwill (Details)

v3.20.4
Goodwill - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
4 Months Ended 8 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Aug. 31, 2019
Dec. 31, 2020
Dec. 31, 2018
Sep. 01, 2019
Goodwill [Roll Forward]            
Goodwill, Beginning Balance       $ 81,943    
Goodwill impairment   $ 0 $ 0 (81,943) $ (563,549)  
Goodwill, Ending Balance $ 81,943 81,943   0    
Brinks Home Security            
Goodwill [Roll Forward]            
Goodwill, Beginning Balance 81,943 0 0 81,943    
Period activity 0   0      
Impact of fresh start accounting           $ 81,943
Goodwill impairment       (81,943)    
Goodwill, Ending Balance $ 81,943 $ 81,943 $ 0 $ 0 $ 0