Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Detail)

v3.22.4
Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense, pre-tax $ 284 $ 319
Tax expense from stock-based compensation expense (74) (83)
Total stock-based compensation expense, net of tax 210 236
Corporate [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock option compensation expense included in unallocated corporate expenses 83 99
Restricted stock shares compensation expense included in corporate expenses 54 0
Broadcast [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock option compensation expense included in unallocated corporate expenses 88 123
Digital Media [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock option compensation expense included in unallocated corporate expenses $ 59 $ 97