Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Description of Business - Merger (Details)

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Basis of Presentation and Description of Business - Merger (Details) - USD ($)
Jun. 30, 2016
Sep. 30, 2016
Dec. 31, 2015
Common Class A      
Conversion of Stock [Line Items]      
Common Stock, par (USD per share)   $ 0.01 $ 0.01
Common Class B      
Conversion of Stock [Line Items]      
Common Stock, par (USD per share)   $ 0.01 $ 0.01
Lions Gate | Lionsgate stockholders failing to approve      
Conversion of Stock [Line Items]      
Termination fee related to merger agreement $ 150,000,000    
Lions Gate | Lionsgate board changing recommendation      
Conversion of Stock [Line Items]      
Termination fee related to merger agreement 175,000,000    
Lions Gate | Lionsgate failing to finance      
Conversion of Stock [Line Items]      
Termination fee related to merger agreement 250,000,000    
Lions Gate | Alternative proposal      
Conversion of Stock [Line Items]      
Termination fee related to merger agreement 175,000,000    
Starz      
Conversion of Stock [Line Items]      
Termination fee related to merger agreement $ 150,000,000    
Starz | Common Class A      
Conversion of Stock [Line Items]      
Common Stock, par (USD per share) $ 0.01    
Conversion of Stock, amount converted (USD per share) $ 18.00    
Starz | Common Class B      
Conversion of Stock [Line Items]      
Common Stock, par (USD per share) $ 0.01    
Conversion of Stock, amount converted (USD per share) $ 7.26    
Lions Gate Nonvoting Stock | Lions Gate      
Conversion of Stock [Line Items]      
Conversion of Stock, Shares Converted 0.5    
Lions Gate Nonvoting Stock | Starz | Common Class A      
Conversion of Stock [Line Items]      
Conversion of Stock, Shares Converted 0.6784    
Lions Gate Nonvoting Stock | Starz | Common Class B      
Conversion of Stock [Line Items]      
Conversion of Stock, Shares Converted 0.6321    
Lions Gate Voting Stock | Lions Gate      
Conversion of Stock [Line Items]      
Conversion of Stock, Shares Converted 0.5    
Lions Gate Voting Stock | Starz | Common Class B      
Conversion of Stock [Line Items]      
Conversion of Stock, Shares Converted 0.6321