XML 64 R49.htm IDEA: XBRL DOCUMENT v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Licensed Programming and Digital Content Costs (Details)
6 Months Ended
Jun. 30, 2021
Basis of Presentation and Summary of Significant Accounting Policies  
License programming costs, initial amortization, percent 50.00%
License programming costs, amortization period 2 years