Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Information About the Company's Operating Segments (Other Information) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Total assets $ 8,660,822 $ 6,172,213
Investment in affiliates 177,030 114,655
Capital expenditures 134,352 3,488
Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 20,759,259 18,104,002
Investment in affiliates 12,181,406 11,950,268
Capital expenditures 134,393 3,558
Operating Segments | GCI Holdings    
Segment Reporting Information [Line Items]    
Total assets 3,343,372 0
Investment in affiliates 719 0
Capital expenditures 131,029 0
Operating Segments | Liberty Broadband    
Segment Reporting Information [Line Items]    
Total assets 12,098,437 11,931,789
Investment in affiliates 12,004,376 11,835,613
Capital expenditures 41 70
Operating Segments | Corporate and other    
Segment Reporting Information [Line Items]    
Total assets 5,317,450 6,172,213
Investment in affiliates 176,311 114,655
Capital expenditures 3,323 3,488
Consolidation, Eliminations    
Segment Reporting Information [Line Items]    
Total assets (12,098,437) (11,931,789)
Investment in affiliates (12,004,376) (11,835,613)
Capital expenditures $ (41) $ (70)