Quarterly report pursuant to Section 13 or 15(d)

Information About the Company's Operating Segments - (Other Information) (Details)

v3.20.2
Information About the Company's Operating Segments - (Other Information) (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Total assets $ 13,359,842 $ 11,933,445
Investments in affiliates 157,484 $ 167,643
Capital expenditures 107,247  
Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 26,221,531  
Investments in affiliates 12,607,909  
Capital expenditures 107,289  
Operating Segments | GCI Holdings    
Segment Reporting Information [Line Items]    
Total assets 3,195,906  
Investments in affiliates 528  
Capital expenditures 106,370  
Operating Segments | Liberty Broadband    
Segment Reporting Information [Line Items]    
Total assets 12,861,689  
Investments in affiliates 12,450,425  
Capital expenditures 42  
Operating Segments | Corporate and other    
Segment Reporting Information [Line Items]    
Total assets 10,163,936  
Investments in affiliates 156,956  
Capital expenditures 877  
Consolidation, Eliminations    
Segment Reporting Information [Line Items]    
Total assets (12,861,689)  
Investments in affiliates (12,450,425)  
Capital expenditures $ (42)