Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Revenue Recognition - Reconciliation of Revenue from Segments to Consolidated (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Disaggregation of Revenue [Line Items]        
Revenue, Net $ 65,774 $ 68,682 $ 129,263 $ 131,291
Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     98,020 100,884
Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     21,370 21,104
Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     9,873 9,303
Broadcast Programming [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     38,896 38,448
Broadcast Programming [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     38,896 38,448
Broadcast Programming [Member] | Block Programming-National [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     26,979 26,399
Broadcast Programming [Member] | Block Programming-National [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     26,979 26,399
Broadcast Programming [Member] | Block Programming-Local [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     11,917 12,049
Broadcast Programming [Member] | Block Programming-Local [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     11,917 12,049
Broadcast Advertising Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     35,512 39,492
Broadcast Advertising Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     35,512 39,492
Broadcast Advertising Revenue [Member] | Spot Advertising-National [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     5,750 7,700
Broadcast Advertising Revenue [Member] | Spot Advertising-National [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     5,750 7,700
Broadcast Advertising Revenue [Member] | Spot Advertising-Local [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     19,554 21,552
Broadcast Advertising Revenue [Member] | Spot Advertising-Local [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     19,554 21,552
Broadcast Advertising Revenue [Member] | Network Advertising [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     10,208 10,240
Broadcast Advertising Revenue [Member] | Network Advertising [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     10,208 10,240
Other Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     4,486 4,857
Other Broadcast Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     4,486 4,857
Other Broadcast Revenue [Member] | Infomercials [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     337 373
Other Broadcast Revenue [Member] | Infomercials [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     337 373
Other Broadcast Revenue [Member] | Other Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     4,149 4,484
Other Broadcast Revenue [Member] | Other Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     4,149 4,484
Digital Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     40,496 39,191
Digital Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     19,126 18,087
Digital Revenue [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     21,370 21,104
Digital Revenue [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0 0
Digital Revenue [Member] | Digital Advertising [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     23,211 23,200
Digital Revenue [Member] | Digital Advertising [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     15,244 14,112
Digital Revenue [Member] | Digital Advertising [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     7,967 9,088
Digital Revenue [Member] | Digital Advertising [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0 0
Digital Revenue [Member] | Digital Streaming [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     4,805 4,290
Digital Revenue [Member] | Digital Streaming [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     3,112 2,492
Digital Revenue [Member] | Digital Streaming [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     1,693 1,798
Digital Revenue [Member] | Digital Streaming [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Digital Revenue [Member] | Digital Downloads [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     3,846 4,184
Digital Revenue [Member] | Digital Downloads [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     89 387
Digital Revenue [Member] | Digital Downloads [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     3,757 3,797
Digital Revenue [Member] | Digital Downloads [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Digital Revenue [Member] | Digital Subscriptions [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     8,291 6,846
Digital Revenue [Member] | Digital Subscriptions [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     418 503
Digital Revenue [Member] | Digital Subscriptions [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     7,873 6,343
Digital Revenue [Member] | Digital Subscriptions [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Digital Revenue [Member] | Other Digital Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     343 671
Digital Revenue [Member] | Other Digital Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     263 593
Digital Revenue [Member] | Other Digital Revenue [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     80 78
Digital Revenue [Member] | Other Digital Revenue [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     9,873 9,303
Publishing Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     9,873 9,303
Publishing Revenue [Member] | Self-Publishing fees [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     3,436 3,379
Publishing Revenue [Member] | Self-Publishing fees [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     3,436 3,379
Publishing Revenue [Member] | Book Sales [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     5,541 6,204
Publishing Revenue [Member] | Book Sales [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     5,541 6,204
Publishing Revenue [Member] | Estimated Sales Returns And Allowances [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     (10) (1,444)
Publishing Revenue [Member] | Estimated Sales Returns And Allowances [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | Estimated Sales Returns And Allowances [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     (10) (1,444)
Publishing Revenue [Member] | Net Book Sales [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     5,531 4,760
Publishing Revenue [Member] | Net Book Sales [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | Net Book Sales [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     5,531 4,760
Publishing Revenue [Member] | EBook Sales [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     496 625
Publishing Revenue [Member] | EBook Sales [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | EBook Sales [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     496 625
Publishing Revenue [Member] | Other Publishing Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     410 539
Publishing Revenue [Member] | Other Publishing Revenue [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | Other Publishing Revenue [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0  
Publishing Revenue [Member] | Other Publishing Revenue [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     410 539
Timing Of Revenue Recognition [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     921 1,140
Timing Of Revenue Recognition [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     921 1,140
Timing Of Revenue Recognition [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0 0
Timing Of Revenue Recognition [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     0 0
Timing Of Revenue Recognition [Member] | Transferred at Point in Time [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     128,342 130,151
Timing Of Revenue Recognition [Member] | Transferred at Point in Time [Member] | Broadcast Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     97,099 99,744
Timing Of Revenue Recognition [Member] | Transferred at Point in Time [Member] | Digital [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     21,370 21,104
Timing Of Revenue Recognition [Member] | Transferred at Point in Time [Member] | Publishing [Member]        
Disaggregation of Revenue [Line Items]        
Revenue, Net     $ 9,873 $ 9,303