Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v3.22.4
Subsequent Events - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Feb. 23, 2023
Feb. 01, 2023
Jan. 19, 2023
Jan. 10, 2023
Jan. 06, 2023
Dec. 20, 2022
Sep. 10, 2021
Jul. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Subsequent Event [Line Items]                    
Gain (Loss) on Extinguishment of Debt               $ 11,200 $ 48 $ (1,026)
Debt Instrument, Face Amount                 153,800  
George Gilder Report and other digital newsletters and related website assets [Member]                    
Subsequent Event [Line Items]                    
Percentage of Purchase Price On Net Revenue           25.00%        
Asset Based Revolving Credit Facility [Member]                    
Subsequent Event [Line Items]                    
Debt Instrument, Face Amount                 $ 26,200  
2028 Notes [member]                    
Subsequent Event [Line Items]                    
Debt Conversion, Converted Instrument, Rate             7.125%      
2024 Notes [member]                    
Subsequent Event [Line Items]                    
Debt Instrument, Face Amount             $ 112,800      
Subsequent Event [Member] | George Gilder Report and other digital newsletters and related website assets [Member]                    
Subsequent Event [Line Items]                    
Percentage of Purchase Price On Net Revenue   25.00%                
Subsequent Event [Member] | Radio stations WWFEAM, WRHCAM and two FM translators in Miami [Member] | Lease Transaction for the Land [Member]                    
Subsequent Event [Line Items]                    
Payments to Acquire Businesses, Gross         $ 3,200          
Subsequent Event [Member] | Radio stations WWFEAM, WRHCAM and two FM translators in Miami [Member] | FL                    
Subsequent Event [Line Items]                    
Payments to Acquire Businesses, Gross       $ 3,000            
Subsequent Event [Member] | Asset Based Revolving Credit Facility [Member]                    
Subsequent Event [Line Items]                    
Debt Instrument, Face Amount $ 4,000                  
Subsequent Event [Member] | 2028 Notes [member]                    
Subsequent Event [Line Items]                    
Debt Instrument, Face Amount $ 44,700                  
Debt Conversion, Converted Instrument, Rate 7.125%                  
Subsequent Event [Member] | 2024 Notes [member]                    
Subsequent Event [Line Items]                    
Debt Instrument, Repurchase Amount     $ 2,500              
Debt Instrument, Redemption Price, Percentage     97.25%              
Gain (Loss) on Extinguishment of Debt     $ 20,000              
Debt Instrument, Face Amount $ 36,500                  
Debt Instrument Redemption Period Mar. 27, 2023                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed 100.00%