Annual report pursuant to Section 13 and 15(d)

Acquisitions - Narrative (Details)

v3.3.1.900
Acquisitions - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Feb. 23, 2015
Aug. 16, 2013
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Business Acquisition [Line Items]            
Goodwill       $ 563,549 $ 527,502 $ 527,502
Par value of shares issued as a consideration (in dollars per share)       $ 0.01 $ 0.01  
Ascent Capital            
Business Acquisition [Line Items]            
Goodwill       $ 527,191    
Subscriber Accounts            
Business Acquisition [Line Items]            
Intangible assets, weighted average useful life       15 years    
Finite lived intangible asset amortization rate       220.00%    
LiveWatch Security, LLC            
Business Acquisition [Line Items]            
Fair value of consideration $ 61,550          
Cash paid for acquisition 3,988          
Business combination, provisional information, initial accounting Incomplete, adjustment, consideration transferred     $ 435      
Business combination, contingent consideration, costs recognized in earnings       $ 3,930    
Goodwill $ 36,047          
Finite lived intangible asset amortization rate 235.00%          
Business combination, acquisition related costs       $ 946    
LiveWatch Security, LLC | Business Combination, Management Retention            
Business Acquisition [Line Items]            
Estimated maximum contingent consideration $ 5,400          
LiveWatch Security, LLC | Business Combination, Performance Bonus            
Business Acquisition [Line Items]            
Estimated maximum contingent consideration $ 7,600          
LiveWatch Security, LLC | Subscriber Accounts            
Business Acquisition [Line Items]            
Intangible assets, weighted average useful life 14 years          
LiveWatch Security, LLC | Other Intangible Assets            
Business Acquisition [Line Items]            
Intangible assets, weighted average useful life 10 years          
Security Networks Acquisition            
Business Acquisition [Line Items]            
Fair value of consideration   $ 500,557        
Cash paid for acquisition   481,834        
Goodwill   177,289        
Post closing working capital adjustments   $ 1,057        
Security Networks Acquisition | Ascent Capital | Common Class A            
Business Acquisition [Line Items]            
Equity issued for acquisition (in shares)   253,333        
Par value of shares issued as a consideration (in dollars per share)   $ 0.01        
Equity issued for acquisition   $ 18,723        
Security Networks Acquisition | Subscriber Accounts            
Business Acquisition [Line Items]            
Intangible assets, weighted average useful life       14 years    
Finite lived intangible asset amortization rate       235.00%