Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.7.0.1
Subsequent Events (Details)
Apr. 26, 2017
USD ($)
Apr. 04, 2017
Years
$ / shares
Apr. 12, 2017
USD ($)
Mar. 31, 2017
Senior Notes [Member] | Senior Notes Due 2021 [Member]        
Subsequent Event [Line Items]        
Debt stated percentage       6.75%
Senior Notes [Member] | Senior Notes Due 2025 [Member]        
Subsequent Event [Line Items]        
Debt stated percentage       6.875%
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Consideration per share | $ / shares   $ 32.50    
Liberty Ventures reference price | $ / shares   $ 43.65    
Years to redemption date | Years   21    
Subsequent Event [Member] | Senior Notes Due 2021 [Member]        
Subsequent Event [Line Items]        
Aggregate principal amount of consent received | $     $ 312,418,000  
Percent of total consent received     96.13%  
Aggregate consent fee | $ $ 812,500      
Subsequent Event [Member] | Senior Notes Due 2025 [Member]        
Subsequent Event [Line Items]        
Aggregate principal amount of consent received | $     $ 443,538,000  
Percent of total consent received     98.56%  
Aggregate consent fee | $ $ 1,125,000      
Subsequent Event [Member] | Senior Notes [Member] | Senior Notes Due 2021 [Member]        
Subsequent Event [Line Items]        
Debt stated percentage 6.75%   6.75%  
Subsequent Event [Member] | Senior Notes [Member] | Senior Notes Due 2025 [Member]        
Subsequent Event [Line Items]        
Debt stated percentage 6.875%   6.875%  
Subsequent Event [Member] | Minimum [Member]        
Subsequent Event [Line Items]        
Series A preferred shares dividend rate   5.00%    
Subsequent Event [Member] | Maximum [Member]        
Subsequent Event [Line Items]        
Series A preferred shares dividend rate   7.00%    
Subsequent Event [Member] | GCI Class A Common Stock [Member]        
Subsequent Event [Line Items]        
Ratio of new stock received   0.63    
Consideration per share | $ / shares   $ 27.50    
Subsequent Event [Member] | GCI Series A Preferred Stock [Member]        
Subsequent Event [Line Items]        
Ratio of new stock received   0.20    
Consideration per share | $ / shares   $ 5.00