Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Description of Business (Details)

v3.21.2
Basis of Presentation - Description of Business (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 26, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2020
Redeemable preferred stock, shares issued 325,000 187,414   187,414     325,000
Dividend rate percentage 8.00%            
Redeemable preferred stock, par value $ 0.01            
Shares issued price per share $ 1,000            
Liberty Media              
Related Party Transaction, Amounts of Transaction   $ 1 $ 1 $ 2 $ 2    
Liberty Media | CEO              
CEO compensation allocation percentage           5.00%