Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Rollforward) (Details)

v3.10.0.1
Goodwill and Intangible Assets (Rollforward) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Goodwill [Roll Forward]  
Balance at beginning of period $ 25,569
Acquisitions 966,044
Impairment (135,776)
Balance at end of period 855,837
GCI Holdings  
Goodwill [Roll Forward]  
Balance at beginning of period 0
Acquisitions 966,044
Impairment (135,776)
Balance at end of period 830,268
Corporate and other  
Goodwill [Roll Forward]  
Balance at beginning of period 25,569
Acquisitions 0
Impairment 0
Balance at end of period $ 25,569