Quarterly report pursuant to Section 13 or 15(d)

Information About the Company's Operating Segments (Adjusted OIBDA) (Details)

v3.19.1
Information About the Company's Operating Segments (Adjusted OIBDA) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Segment Reporting Information [Line Items]    
Adjusted OIBDA $ 38,165 $ 13,888
Operating Segments    
Segment Reporting Information [Line Items]    
Adjusted OIBDA 35,048 18,448
Operating Segments | GCI Holdings    
Segment Reporting Information [Line Items]    
Adjusted OIBDA 44,471 19,748
Operating Segments | Liberty Broadband    
Segment Reporting Information [Line Items]    
Adjusted OIBDA (3,117) 4,560
Operating Segments | Corporate and other    
Segment Reporting Information [Line Items]    
Adjusted OIBDA (6,306) (5,860)
Consolidation, Eliminations    
Segment Reporting Information [Line Items]    
Adjusted OIBDA $ 3,117 $ (4,560)