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) - USD ($)
$ in Thousands
6 Months Ended
Dec. 18, 2020
Oct. 15, 2020
Jun. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]        
Outstanding principal     $ 3,662,640  
Fair value of debt     1,434,549 $ 1,445,775
Senior Notes        
Debt Instrument [Line Items]        
Fair value of debt     618,700  
Senior Notes | GCI Liberty Inc        
Debt Instrument [Line Items]        
Outstanding principal $ 600,000      
Interest rate (as a percent) 4.75%      
Aggregate unamortized premium     33,700  
Senior Credit Facility        
Debt Instrument [Line Items]        
Outstanding principal     492,000  
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    
Amount available for borrowing     451,800  
Senior Credit Facility | Revolving Credit Facility | GCI, LLC        
Debt Instrument [Line Items]        
Outstanding principal     95,000  
Principal amount   $ 550,000    
Repayment of debt     210,000  
Senior Credit Facility | Revolving Credit Facility | LIBOR | GCI, LLC        
Debt Instrument [Line Items]        
Interest rate basis   LIBOR    
Senior Credit Facility | Revolving Credit Facility | LIBOR | Minimum | GCI, LLC        
Debt Instrument [Line Items]        
Basis spread on variable rate   1.50%    
Senior Credit Facility | Revolving Credit Facility | LIBOR | Maximum | GCI, LLC        
Debt Instrument [Line Items]        
Basis spread on variable rate   2.75%    
Senior Credit Facility | Revolving Credit Facility | Alternate base rate | GCI, LLC        
Debt Instrument [Line Items]        
Interest rate basis   alternate base rate    
Senior Credit Facility | Revolving Credit Facility | Alternate base rate | Minimum | GCI, LLC        
Debt Instrument [Line Items]        
Basis spread on variable rate   0.50%    
Senior Credit Facility | Revolving Credit Facility | Alternate base rate | Maximum | GCI, LLC        
Debt Instrument [Line Items]        
Basis spread on variable rate   1.75%    
Senior Credit Facility | Standby Letters of Credit | GCI, LLC        
Debt Instrument [Line Items]        
Outstanding principal     3,200  
Principal amount   $ 25,000    
Senior Credit Facility | Term Loan B | GCI, LLC        
Debt Instrument [Line Items]        
Outstanding principal     $ 397,000  
Principal amount   $ 400,000    
Percentage of principle amount of debt   0.25%    
Senior Credit Facility | Term Loan B | LIBOR | GCI, LLC        
Debt Instrument [Line Items]        
Interest rate basis   LIBOR    
Basis spread on variable rate   2.75%    
Senior Credit Facility | Term Loan B | LIBOR | Minimum | GCI, LLC        
Debt Instrument [Line Items]        
Interest rate (as a percent)   0.75%    
Senior Credit Facility | 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%    
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%