Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Schedule of Goodwill (Details)

v3.10.0.1
Goodwill - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2018
Sep. 30, 2018
Jun. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Goodwill [Roll Forward]            
Beginning Balance         $ 563,549  
Goodwill impairment   $ 0   $ 0 (214,400) $ 0
Reporting unit reallocation         0  
Ending Balance   349,149     349,149  
MONI            
Goodwill [Roll Forward]            
Beginning Balance         527,502  
Goodwill impairment     $ (214,400)   (214,400)  
Reporting unit reallocation $ (313,102)       (313,102)  
Ending Balance   0     0  
LiveWatch            
Goodwill [Roll Forward]            
Beginning Balance         36,047  
Goodwill impairment         0  
Reporting unit reallocation $ (36,047)       (36,047)  
Ending Balance   0     0  
Brinks Home Security            
Goodwill [Roll Forward]            
Beginning Balance         0  
Goodwill impairment         0  
Reporting unit reallocation         349,149  
Ending Balance   $ 349,149     $ 349,149