Quarterly report pursuant to Section 13 or 15(d)

Acquisition - Additional Acquisition Information (Details)

Acquisition - Additional Acquisition Information (Details) - GCI Liberty Inc
$ in Thousands
Dec. 18, 2020
USD ($)
Business Acquisition [Line Items]  
Intangible assets subject to amortization $ 638,855
Acquired goodwill deductible for income tax purposes 134,300
Increase to property and equipment 3,500
Increase to goodwill 19,100
Increase to intangible assets not subject to amortization 5,000
Decrease to intangible assets subject to amortization 35,000
Increase to deferred income tax liabilities $ 7,400
Customer relationships  
Business Acquisition [Line Items]  
Useful life 14 years
Business Acquisition [Line Items]  
Useful life 12 years