Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Revenue Recognition - Reconciliation of Revenue from Segments to Consolidated (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Revenue, Net $ 258,247 $ 236,239
Block Programming – National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 48,705 47,009
Block Programming – Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 24,759 24,267
Spot Advertising – National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 14,294 15,288
Spot Advertising – Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 41,672 39,407
Infomercials [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 878 974
Network [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 19,789 19,371
Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 45,233 36,997
Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 8,180 6,220
Digital Downloads and eBooks [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 6,929 10,720
Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 13,577 11,054
Book Sales and e-commerce, net of estimated sales returns and allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 17,829 10,806
Self-Publishing fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 6,081 5,424
Advertising – Print [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 123 354
Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 10,198 8,348
Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 255,802 233,723
Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 2,445 2,516
Broadcast Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 191,443 178,127
Broadcast Revenue [Member] | Block Programming – National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 48,705 47,009
Broadcast Revenue [Member] | Block Programming – Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 24,759 24,267
Broadcast Revenue [Member] | Spot Advertising – National [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 14,294 15,288
Broadcast Revenue [Member] | Spot Advertising – Local [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 41,672 39,407
Broadcast Revenue [Member] | Infomercials [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 878 974
Broadcast Revenue [Member] | Network [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 19,789 19,371
Broadcast Revenue [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 25,453 15,938
Broadcast Revenue [Member] | Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 4,730 2,774
Broadcast Revenue [Member] | Digital Downloads and eBooks [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 556 3,211
Broadcast Revenue [Member] | Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 1,087 1,166
Broadcast Revenue [Member] | Book Sales and e-commerce, net of estimated sales returns and allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 432 1,438
Broadcast Revenue [Member] | Advertising – Print [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   1
Broadcast Revenue [Member] | Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 9,088 7,283
Broadcast Revenue [Member] | Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 188,998 175,611
Broadcast Revenue [Member] | Rental Income [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 2,445 2,516
Digital [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 42,164 39,593
Digital [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 19,648 20,644
Digital [Member] | Digital Streaming [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 3,450 3,446
Digital [Member] | Digital Downloads and eBooks [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 6,373 5,904
Digital [Member] | Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 12,228 9,208
Digital [Member] | Book Sales and e-commerce, net of estimated sales returns and allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 269 140
Digital [Member] | Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 196 251
Digital [Member] | Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 42,164 39,593
Publishing [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 24,640 18,519
Publishing [Member] | Digital Advertising [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 132 415
Publishing [Member] | Digital Downloads and eBooks [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net   1,605
Publishing [Member] | Subscriptions [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 262 680
Publishing [Member] | Book Sales and e-commerce, net of estimated sales returns and allowances [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 17,128 9,228
Publishing [Member] | Self-Publishing fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 6,081 5,424
Publishing [Member] | Advertising – Print [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 123 353
Publishing [Member] | Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net 914 814
Publishing [Member] | Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue, Net $ 24,640 $ 18,519