Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Broadcast Licenses - Schedule of Changes in Broadcasting Licenses (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Indefinite-lived Intangible Assets [Line Items]    
Balance, beginning of period before cumulative loss on impairment $ 429,890 $ 434,444
Accumulated loss on impairment, Beginning Balance (126,116) (114,436)
Balance, beginning of period after cumulative loss on impairment 303,774 320,008
Loss on impairment (2,124) (13,985)
Balance, end of period before cumulative loss on impairment 433,432 429,890
Accumulated loss on impairment, Ending Balance (128,240) (126,116)
Balance, end of period after cumulative loss on impairment 305,192 303,774
Radio Stations [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions of radio station and FM Translators 3,542 514
Disposition of radio stations and FM translators $ 0 $ (2,763)