Annual report pursuant to Section 13 and 15(d)

Goodwill - Schedule of Changes in Goodwill (Detail)

v3.22.4
Goodwill - Schedule of Changes in Goodwill (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Line Items]    
Balance, beginning of period before cumulative loss on impairment $ 28,749 $ 28,520
Accumulated loss on impairment (4,763) (4,763)
Balance, beginning of period after cumulative loss on impairment 23,986 23,757
Loss on impairment (127) 0
Balance, end of period before cumulative loss on impairment 28,976 28,749
Accumulated loss on impairment (4,891) (4,763)
Ending period balance 24,085 23,986
Radio Stations [Member]    
Goodwill [Line Items]    
Acquisitions 0 4
Digital Media [Member]    
Goodwill [Line Items]    
Acquisitions $ 226 $ 225