Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation expense, pre-tax $ 129 $ 54 $ 340 $ 228
Tax expense for stock-based compensation expense (33) (14) (88) (59)
Total stock-based compensation expense, net of tax 96 40 252 169
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 24 201 60
Restricted stock shares compensation expense included in corporate expenses 0 0 0 54
Broadcast [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense included in unallocated corporate expenses 34 18 95 67
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 10 12 39 47
Publishing [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense included in unallocated corporate expenses $ 2 $ 0 $ 5 $ 0