Annual report pursuant to Section 13 and 15(d)

Broadcast Licenses - Schedule of Changes in Broadcasting Licenses (Detail)

v3.22.4
Broadcast Licenses - Schedule of Changes in Broadcasting Licenses (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Indefinite-lived Intangible Assets [Line Items]    
Balance, beginning of period before cumulative loss on impairment $ 434,444 $ 434,209
Accumulated loss on impairment, Beginning Balance (114,436) (114,436)
Balance, beginning of period after cumulative loss on impairment 320,008 319,773
Loss on impairment (13,985) 0
Balance, end of period before cumulative loss on impairment 429,890 434,444
Accumulated loss on impairment, Ending Balance (126,116) (114,436)
Balance, end of period after cumulative loss on impairment 303,774 320,008
Radio Stations [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions of radio station and FM Translators 514 235
Disposition of radio stations and FM translators $ (2,763) $ 0