Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Broadcast Licenses - Results of Impairment Testing of Broadcast Licenses Under Income Approach (Detail)
 12 Months Ended
Dec. 31, 2021
Atlanta GA [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 99.00%
Col Springs, CO [Memeber]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 61.70%
Columbus OH [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 3.50%
Little Rock [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 4.70%
Minneapolis MN [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 153.50%
Orlando FL [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 11.50%
Boston MA [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 22.30%
Chicago IL [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 13.90%
Cleveland OH [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 29.10%
Dallas TX [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 11.40%
GreenvilleSC [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 15.30%
HonoluluHI [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 14.30%
Louisville KY [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 8.50%
Philadelphia PA [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 14.70%
Portland OR [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 18.70%
Sacramento CA [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 6.30%
San Diego CA [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 50.90%
San Francisco CA [Member]  
Goodwill And Other Intangible Assets [Line Items]  
Excess fair value estimate 28.40%