Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Outstanding Awards and Exercises (Details)

v3.20.4
Stock-Based Compensation - Outstanding Awards and Exercises (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 18, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Series A common stock        
Compensation cost not yet recognized        
Shares reserved for future issuance upon exercise of stock options   1    
Series C common stock        
Compensation cost not yet recognized        
Shares reserved for future issuance upon exercise of stock options   3,300    
Awards        
Compensation cost not yet recognized        
Unrecognized compensation cost options   $ 64,400    
Period over which unrecognized compensation cost will be recognized   2 years    
Awards | GCI Liberty Inc        
Compensation cost not yet recognized        
Number of shares converted 1,200      
Awards | Common Class A, B and C        
Compensation cost not yet recognized        
Shares reserved for future issuance upon exercise of stock options   4,100    
Awards | Series A common stock        
Options        
Outstanding ending balance (in shares)   1    
WAEP        
WAEP Outstanding ending balance (in dollars per share)   $ 35.81    
Options additional disclosures        
Weighted average remaining contractual life outstanding   2 years    
Awards | Series C common stock        
Options        
Outstanding beginning balance (in shares)   1,932    
Options granted (in shares)   554    
Exercised (in shares)   (8)    
GLIBA awards converted to LBRDK awards (in shares)   849    
Outstanding ending balance (in shares)   3,327 1,932  
Number of awards exercisable (in shares)   2,055    
WAEP        
WAEP Outstanding beginning balance (in dollars per share)   $ 61.43    
WAEP Options granted (in dollars per share)   154.20    
WAEP options exercised (in dollars per share)   47.92    
WAEP GLIBA awards converted to LBRDK awards (in dollars per share)   121.80    
WAEP Outstanding ending balance (in dollars per share)   92.35 $ 61.43  
WAEP options exercisable (in dollars per share)   $ 59.41    
Options additional disclosures        
Weighted average remaining contractual life outstanding   5 years    
Weighted average remaining contractual life exercisable   4 years 1 month 6 days    
Aggregate intrinsic value outstanding   $ 224,000    
Aggregate intrinsic value exercisable   203,000    
Awards | Series B common stock        
Options additional disclosures        
Weighted average remaining contractual life outstanding 2 years 1 month 6 days      
Aggregate intrinsic value outstanding $ 44,000      
Compensation cost not yet recognized        
Number of shares converted to stock 722      
Weighted average exercise price $ 96.79      
Options        
Options additional disclosures        
Aggregate intrinsic value of options exercised during period   $ 961 $ 91,700 $ 3,000
Options | Series A common stock        
Options        
Options granted (in shares)   0    
Options | Series B common stock        
Options        
Options granted (in shares)   0