Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.20.1
Basis of Presentation (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
product
Mar. 31, 2019
USD ($)
Liberty    
Reimbursable amount | $ $ 1.1 $ 0.9
Liberty | CEO    
CEO compensation allocation percentage 18.00%  
Skyhook    
Number of primary products | product 2  
Charter    
Non-diluted voting interest 25.01%