Annual report pursuant to Section 13 and 15(d)

Goodwill - Schedule of Goodwill (Details)

v3.19.1
Goodwill - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2018
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Goodwill [Roll Forward]            
Goodwill, Beginning Balance       $ 563,549 $ 563,549  
Period activity         0  
Goodwill impairment       (563,549) 0 $ 0
Reporting unit reallocation       0    
Goodwill, Ending Balance   $ 0   0 563,549 563,549
MONI            
Goodwill [Roll Forward]            
Goodwill, Beginning Balance       527,502 527,502  
Period activity         0  
Goodwill impairment     $ (214,400) (214,400)    
Reporting unit reallocation $ (313,102)     (313,102)    
Goodwill, Ending Balance   0   0 527,502 527,502
LiveWatch            
Goodwill [Roll Forward]            
Goodwill, Beginning Balance       36,047 36,047  
Period activity         0  
Goodwill impairment       0    
Reporting unit reallocation $ (36,047)     (36,047)    
Goodwill, Ending Balance   0   0 36,047 36,047
Brinks Home Security            
Goodwill [Roll Forward]            
Goodwill, Beginning Balance       0 0  
Period activity         0  
Goodwill impairment   (349,149)   (349,149)    
Reporting unit reallocation       349,149    
Goodwill, Ending Balance   $ 0   $ 0 $ 0 $ 0