Quarterly report pursuant to Section 13 or 15(d)

Broadcast Licenses - Results of Impairment Testing of Broadcast Licenses Under Income Approach (Detail)

v3.20.2
Broadcast Licenses - Results of Impairment Testing of Broadcast Licenses Under Income Approach (Detail)
 3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2020
Boston MA [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate 4.80% 5.60%
Chicago IL [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (9.00%) 8.50%
Cleveland OH [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (18.40%) 6.50%
Louisville KY [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (21.80%) 13.80%
Philadelphia PA [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (13.10%) 5.10%
Portland OR [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (14.80%) 10.10%
Sacramento CA [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (9.60%) 4.60%
San Francisco Ca [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate 1.20% 7.00%
Tampa FL [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate (28.00%) 20.50%
Dallas TX [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate 8.50% 11.80%
New York NY [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Excess fair value estimate 7.30% 15.90%