Annual report pursuant to Section 13 and 15(d)

Revenue Recognition - Reconciliation of Revenue from Segments to Consolidated (Detail)

v3.22.4
Revenue Recognition - Reconciliation of Revenue from Segments to Consolidated (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disaggregation of Revenue [Line Items]    
Revenue, Net $ 266,966 $ 258,247
Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net [1]   2,445
Broadcast Programming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 78,408 73,464
Broadcast Programming [Member] | Block Programming-National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 53,535 48,705
Broadcast Programming [Member] | Block Programming-Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 24,873 24,759
Broadcast Advertising Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 79,916 75,755
Broadcast Advertising Revenue [Member] | Spot Advertising-National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 15,359 14,294
Broadcast Advertising Revenue [Member] | Spot Advertising-Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 42,964 41,672
Broadcast Advertising Revenue [Member] | Network Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 21,593 19,789
Other Broadcast Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 9,860 9,966
Other Broadcast Revenue [Member] | Infomercials [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 735 878
Other Broadcast Revenue [Member] | Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 9,125 9,088
Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 78,792 74,554
Digital Revenue [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 46,926 45,233
Digital Revenue [Member] | Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 8,837 8,180
Digital Revenue [Member] | Digital Downloads [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 7,918 7,630
Digital Revenue [Member] | Digital Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 13,606 13,315
Digital Revenue [Member] | Other Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 1,505 196
Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 19,990 24,508
Publishing Revenue [Member] | Self-Publishing fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 6,717 6,081
Publishing Revenue [Member] | Book Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 14,938 20,455
Publishing Revenue [Member] | Estimated Sales Returns And Allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net (3,988) (5,348)
Publishing Revenue [Member] | Net Book Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 10,950 15,107
Publishing Revenue [Member] | EBook Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 1,358 2,021
Publishing Revenue [Member] | Other Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 965 1,037
Publishing Revenue [Member] | Print Magazine Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   262
Timing Of Revenue Recognition [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net [1] 2,253  
Transferred at Point in Time [Member] | Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   255,802
Transferred at Point in Time [Member] | Timing Of Revenue Recognition [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 264,713  
Broadcast Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 205,315 191,443
Broadcast Revenue [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net [1]   2,445
Broadcast Revenue [Member] | Broadcast Programming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 78,408 73,464
Broadcast Revenue [Member] | Broadcast Programming [Member] | Block Programming-National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 53,535 48,705
Broadcast Revenue [Member] | Broadcast Programming [Member] | Block Programming-Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 24,873 24,759
Broadcast Revenue [Member] | Broadcast Advertising Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 79,916 75,755
Broadcast Revenue [Member] | Broadcast Advertising Revenue [Member] | Spot Advertising-National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 15,359 14,294
Broadcast Revenue [Member] | Broadcast Advertising Revenue [Member] | Spot Advertising-Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 42,964 41,672
Broadcast Revenue [Member] | Broadcast Advertising Revenue [Member] | Network Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 21,593 19,789
Broadcast Revenue [Member] | Other Broadcast Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 9,860 9,966
Broadcast Revenue [Member] | Other Broadcast Revenue [Member] | Infomercials [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 735 878
Broadcast Revenue [Member] | Other Broadcast Revenue [Member] | Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 9,125 9,088
Broadcast Revenue [Member] | Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 37,131 32,258
Broadcast Revenue [Member] | Digital Revenue [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 28,967 25,453
Broadcast Revenue [Member] | Digital Revenue [Member] | Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 5,246 4,730
Broadcast Revenue [Member] | Digital Revenue [Member] | Digital Downloads [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 628 988
Broadcast Revenue [Member] | Digital Revenue [Member] | Digital Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 952 1,087
Broadcast Revenue [Member] | Digital Revenue [Member] | Other Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 1,338 0
Broadcast Revenue [Member] | Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Broadcast Revenue [Member] | Publishing Revenue [Member] | Other Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Broadcast Revenue [Member] | Timing Of Revenue Recognition [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net [1] 2,253  
Broadcast Revenue [Member] | Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   188,998
Broadcast Revenue [Member] | Transferred at Point in Time [Member] | Timing Of Revenue Recognition [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 203,062  
Digital [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 41,661 42,164
Digital [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   0
Digital [Member] | Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 41,661 42,164
Digital [Member] | Digital Revenue [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 17,959 19,648
Digital [Member] | Digital Revenue [Member] | Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 3,591 3,450
Digital [Member] | Digital Revenue [Member] | Digital Downloads [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 7,290 6,642
Digital [Member] | Digital Revenue [Member] | Digital Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 12,654 12,228
Digital [Member] | Digital Revenue [Member] | Other Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 167 196
Digital [Member] | Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Digital [Member] | Publishing Revenue [Member] | Estimated Sales Returns And Allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Digital [Member] | Publishing Revenue [Member] | Net Book Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Digital [Member] | Publishing Revenue [Member] | EBook Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Digital [Member] | Publishing Revenue [Member] | Other Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Digital [Member] | Timing Of Revenue Recognition [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net [1] 0  
Digital [Member] | Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   42,164
Digital [Member] | Transferred at Point in Time [Member] | Timing Of Revenue Recognition [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 41,661  
Publishing [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 19,990 24,640
Publishing [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   0
Publishing [Member] | Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0 132
Publishing [Member] | Digital Revenue [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0 132
Publishing [Member] | Digital Revenue [Member] | Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Publishing [Member] | Digital Revenue [Member] | Digital Downloads [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Publishing [Member] | Digital Revenue [Member] | Digital Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Publishing [Member] | Digital Revenue [Member] | Other Digital Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 0  
Publishing [Member] | Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 19,990 24,508
Publishing [Member] | Publishing Revenue [Member] | Self-Publishing fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 6,717 6,081
Publishing [Member] | Publishing Revenue [Member] | Book Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 14,938 20,455
Publishing [Member] | Publishing Revenue [Member] | Estimated Sales Returns And Allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net (3,988) (5,348)
Publishing [Member] | Publishing Revenue [Member] | Net Book Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 10,950 15,107
Publishing [Member] | Publishing Revenue [Member] | EBook Sales [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 1,358 2,021
Publishing [Member] | Publishing Revenue [Member] | Other Publishing Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 965 1,037
Publishing [Member] | Publishing Revenue [Member] | Print Magazine Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   262
Publishing [Member] | Timing Of Revenue Recognition [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net [1] 0  
Publishing [Member] | Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   $ 24,640
Publishing [Member] | Transferred at Point in Time [Member] | Timing Of Revenue Recognition [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net $ 19,990  
[1] Rental income is not applicable to FASB ASC Topic 606, but shown for the purpose of identifying each revenue source presented in total revenue on our Consolidated Financial Statements within this annual report.