Quarterly report pursuant to Section 13 or 15(d)

Acquisition (Pro Forma Revenue and Net Earnings) (Details)

v3.19.1
Acquisition (Pro Forma Revenue and Net Earnings) (Details) - HoldCo - GCI Liberty Inc
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2018
USD ($)
$ / shares
Business Acquisition [Line Items]  
Revenue $ 219,470
Net earnings (loss) (180,981)
Net earnings (loss) attributable to GCI Liberty shareholders $ (180,826)
Basic net earnings (loss) attributable to Series A and Series B GCI Liberty, Inc. shareholders per common share (in dollars per share) | $ / shares $ (1.68)
Diluted net earnings (loss) attributable to Series A and Series B GCI Liberty, Inc. shareholders per common share (in dollars per share) | $ / shares $ (1.68)