Quarterly report pursuant to Section 13 or 15(d)

Investments in Charter Accounted for Using the Equity Method (Details)

v3.20.1
Investments in Charter Accounted for Using the Equity Method (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Investments in affiliates accounted for using the Equity Method    
Carrying value of equity method investment $ 12,194,726 $ 12,194,674
Charter    
Investments in affiliates accounted for using the Equity Method    
Carrying value of equity method investment 12,195,000  
Market value of equity method investment $ 23,608,000  
Ownership percentage 26.20%  
Diluted voting interest 23.20%  
Non-diluted voting interest 25.01%  
A/N | Charter    
Investments in affiliates accounted for using the Equity Method    
Proxy agreement term 5 years  
Trading days before proposed sale of A/N 2 days  
first | A/N | Charter    
Investments in affiliates accounted for using the Equity Method    
Maximum percentage of New Charter shares that may be voted by proxy 7.00%  
last | A/N | Charter    
Investments in affiliates accounted for using the Equity Method    
Maximum percentage of New Charter shares that may be voted by proxy 7.00%