Quarterly report pursuant to Section 13 or 15(d)

Debt - Senior Notes and Senior Credit Facility (Details)

v3.21.2
Debt - Senior Notes and Senior Credit Facility (Details)
$ in Thousands
9 Months Ended
Oct. 15, 2021
USD ($)
Dec. 18, 2020
USD ($)
Oct. 15, 2020
USD ($)
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]          
Outstanding principal       $ 3,946,470  
Fair value of debt       1,448,354 $ 1,445,775
Senior Notes          
Debt Instrument [Line Items]          
Fair value of debt       630,800  
Senior Notes | GCI Liberty Inc          
Debt Instrument [Line Items]          
Outstanding principal   $ 600,000      
Interest rate (as a percent)   4.75%      
Aggregate unamortized premium       32,700  
Line of credit          
Debt Instrument [Line Items]          
Outstanding principal       426,000  
Line of credit | GCI, LLC          
Debt Instrument [Line Items]          
Amount available for borrowing       516,900  
Line of credit | Revolving Credit Facility | GCI, LLC          
Debt Instrument [Line Items]          
Outstanding principal       30,000  
Principal amount     $ 550,000    
Repayment of debt       275,000  
Line of credit | Revolving Credit Facility | LIBOR | GCI, LLC          
Debt Instrument [Line Items]          
Interest rate basis     LIBOR    
Line of credit | Revolving Credit Facility | LIBOR | Minimum | GCI, LLC          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.50%    
Line of credit | Revolving Credit Facility | LIBOR | Maximum | GCI, LLC          
Debt Instrument [Line Items]          
Basis spread on variable rate     2.75%    
Line of credit | Revolving Credit Facility | Alternate base rate | GCI, LLC          
Debt Instrument [Line Items]          
Interest rate basis     alternate base rate    
Line of credit | Revolving Credit Facility | Alternate base rate | Minimum | GCI, LLC          
Debt Instrument [Line Items]          
Basis spread on variable rate     0.50%    
Line of credit | Revolving Credit Facility | Alternate base rate | Maximum | GCI, LLC          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.75%    
Line of credit | Standby Letters of Credit | GCI, LLC          
Debt Instrument [Line Items]          
Outstanding principal       3,100  
Principal amount     $ 25,000    
Line of credit | Term Loan B | GCI, LLC          
Debt Instrument [Line Items]          
Outstanding principal       $ 396,000  
Principal amount     $ 400,000    
Percentage of principle amount of debt     0.25%    
Repayment of debt $ 150,000        
Line of credit | Term Loan B | LIBOR | GCI, LLC          
Debt Instrument [Line Items]          
Interest rate basis     LIBOR    
Basis spread on variable rate     2.75%    
Line of credit | Term Loan B | LIBOR | Minimum | GCI, LLC          
Debt Instrument [Line Items]          
Interest rate (as a percent)     0.75%    
Line of credit | Term Loan B | Alternate base rate | GCI, LLC          
Debt Instrument [Line Items]          
Interest rate basis     alternate base rate    
Basis spread on variable rate     1.75%    
Amended Line Of Credit Facility | Revolving Credit Facility | GCI, LLC          
Debt Instrument [Line Items]          
Principal amount 550,000        
Amended Line Of Credit Facility | Term Loan A | GCI, LLC          
Debt Instrument [Line Items]          
Principal amount $ 250,000        
Senior Credit Facility | GCI, LLC          
Debt Instrument [Line Items]          
First lien leverage ratio       4.00  
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%