Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation expense, pre-tax $ 54 $ 78 $ 228 $ 240
Tax expense for stock-based compensation expense (14) (20) (59) (62)
Total stock-based compensation expense, net of tax 40 58 169 178
Corporate [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense included in unallocated corporate expenses 24 23 60 75
Restricted stock shares compensation expense included in corporate expenses 0 0 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 18 31 67 92
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 $ 12 $ 24 $ 47 $ 73