Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Stock Incentive Plan - Schedule of Stock-Based Compensation Expense Recognized (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock-based compensation expense, pre-tax $ 74 $ 177 $ 273 $ 1,289
Tax expense from stock-based compensation expense (19) (46) (71) (335)
Total stock-based compensation expense, net of tax 55 131 202 954
Unallocated Corporate [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense 30 43 122 229
Restricted stock shares compensation expenses 0 100 0 523
Broadcast [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense 32 20 106 88
Restricted stock shares compensation expenses 0 0 383
Digital Media [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense 12 12 44 58
Publishing [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock option compensation expense $ 0 $ 2 $ 1 $ 8