Quarterly report pursuant to Section 13 or 15(d)

Information About GCI Liberty's Operating Segments (Reconciliation of Segment Adjusted OIBDA to Operating Income and Earnings (Loss) from Continuing Operations) (Details)

v3.8.0.1
Information About GCI Liberty's Operating Segments (Reconciliation of Segment Adjusted OIBDA to Operating Income and Earnings (Loss) from Continuing Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Segment Reporting [Abstract]    
Consolidated segment Adjusted OIBDA $ 13,888 $ (7,872)
Stock‑based compensation (5,236) (2,726)
Depreciation and amortization (16,021) (753)
Operating income (loss) (7,369) (11,351)
Interest expense (8,248) 0
Share of earnings (loss) of affiliates, net (2,492) 1,723
Realized and unrealized gains (losses) on financial instruments, net (71,481) 737,552
Other, net 1,697 209
Earnings (loss) before income taxes $ (87,893) $ 728,133