Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense, pre-tax $ 106 $ 78
Tax benefit (expense) for stock-based compensation expense (28) (20)
Total stock-based compensation expense, net of tax 78 58
Corporate [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock option compensation expense 2 28
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 30 28
Digital Media [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Stock option compensation expense $ 20 $ 22