Annual report pursuant to Section 13 and 15(d)

Reportable Business Segments - By Segment from Consolidated Balance Sheets (Details)

v3.8.0.1
Reportable Business Segments - By Segment from Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Segment Reporting Information [Line Items]      
Subscriber accounts, net of amortization $ 1,302,028 $ 1,386,760  
Goodwill 563,549 563,549 $ 563,549
Total assets 1,941,315 2,033,717  
MONI      
Segment Reporting Information [Line Items]      
Goodwill 527,502 527,502 527,502
LiveWatch      
Segment Reporting Information [Line Items]      
Goodwill 36,047 36,047 $ 36,047
Operating Segments | MONI      
Segment Reporting Information [Line Items]      
Subscriber accounts, net of amortization 1,280,813 1,364,804  
Goodwill 527,502 527,502  
Total assets 1,996,240 2,062,838  
Operating Segments | LiveWatch      
Segment Reporting Information [Line Items]      
Subscriber accounts, net of amortization 21,215 21,956  
Goodwill 36,047 36,047  
Total assets 63,233 63,916  
Eliminations      
Segment Reporting Information [Line Items]      
Subscriber accounts, net of amortization 0 0  
Goodwill 0 0  
Total assets $ (118,158) $ (93,037)