Annual report pursuant to Section 13 and 15(d)

Debt - Senior Notes and Senior Credit Facility (Details)

v3.20.4
Debt - Senior Notes and Senior Credit Facility (Details) - USD ($)
$ in Thousands
Jan. 01, 2021
Dec. 18, 2020
Oct. 18, 2020
Oct. 15, 2020
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]            
Outstanding principal         $ 4,724,978  
Fair value of debt         1,445,775 $ 0
Senior Notes            
Debt Instrument [Line Items]            
Fair value of debt         642,200  
Senior Notes | GCI Liberty Inc            
Debt Instrument [Line Items]            
Outstanding principal   $ 600,000        
Interest rate (as a percent)   4.75%        
Aggregate unamortized premium         35,700  
Senior Credit Facility            
Debt Instrument [Line Items]            
Amount available for borrowing         241,000  
Senior Credit Facility | GCI, LLC            
Debt Instrument [Line Items]            
Total threshold ratio       6.50%    
Secured leverage ratio       4.50%    
First lien leverage ratio       4.00%    
Revolving Credit Facility            
Debt Instrument [Line Items]            
Outstanding principal         305,000  
Principal amount       $ 550,000    
Revolving Credit Facility | LIBOR            
Debt Instrument [Line Items]            
Interest rate basis       LIBOR    
Revolving Credit Facility | LIBOR | Minimum            
Debt Instrument [Line Items]            
Basis spread on variable rate       1.50%    
Revolving Credit Facility | LIBOR | Maximum            
Debt Instrument [Line Items]            
Basis spread on variable rate       2.75%    
Revolving Credit Facility | Alternate base rate            
Debt Instrument [Line Items]            
Interest rate basis       alternate base rate    
Revolving Credit Facility | Alternate base rate | Minimum            
Debt Instrument [Line Items]            
Basis spread on variable rate       0.50%    
Revolving Credit Facility | Alternate base rate | Maximum            
Debt Instrument [Line Items]            
Basis spread on variable rate       1.75%    
Standby Letters of Credit            
Debt Instrument [Line Items]            
Outstanding principal         4,000  
Principal amount       $ 25,000    
Term Loan B            
Debt Instrument [Line Items]            
Outstanding principal         $ 399,000  
Principal amount       $ 400,000    
Percentage of principle amount of debt       0.25%    
Term Loan B | LIBOR            
Debt Instrument [Line Items]            
Interest rate basis       LIBOR    
Basis spread on variable rate       2.75%    
Term Loan B | LIBOR | Minimum            
Debt Instrument [Line Items]            
Interest rate (as a percent)       0.75%    
Term Loan B | Alternate base rate            
Debt Instrument [Line Items]            
Interest rate basis       alternate base rate    
Basis spread on variable rate       1.75%    
Wells Fargo Notes Payable | GCI Liberty Inc            
Debt Instrument [Line Items]            
Outstanding principal     $ 6,400      
Wells Fargo Notes Payable | LIBOR | GCI Liberty Inc            
Debt Instrument [Line Items]            
Interest rate basis   LIBOR        
Basis spread on variable rate     2.25%      
Subsequent event | Revolving Credit Facility | GCI, LLC            
Debt Instrument [Line Items]            
Repayment of debt $ 180,000