Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Asset-Based Revolving Credit Facility - Additional Information (Detail)

v3.20.4
Long-Term Debt - Asset-Based Revolving Credit Facility - Additional Information (Detail) - USD ($)
12 Months Ended
Oct. 20, 2020
May 19, 2017
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]        
Debt instrument, debt default, description of violation or event of default     $ 216,300,000  
Amortization of financing costs     889,000 $ 1,060,000
Debt related commitment fees and debt issuance costs     $ 6,300,000  
Line of credit facility covenant compliance we entered into a fourth amendment to our ABL Facility that provides a one-time waiver with respect to the current covenant testing period allowing the covenant trigger event date be the first day after the availability on the ABL Facility had equaled or exceeded (1) 15% of the maximum revolver amount and (2) $4.5 million and a waiver permitting      
Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Debt instrument, debt default, description of violation or event of default   $ 30,000,000    
Debt instrument, debt default, description of violation or event of default     The Credit Agreement provides for the following events of default: (i) default for non-payment of any principal or letter of credit reimbursement when due or any interest, fees or other amounts within five days of the due date; (ii) the failure by any borrower or any subsidiary to comply with any covenant or agreement contained in the Credit Agreement or any other loan document, in certain cases subject to applicable notice and lapse of time; (iii) any representation or warranty made pursuant to the Credit Agreement or any other loan document is incorrect in any material respect when made; (iv) certain defaults of other indebtedness of any borrower or any subsidiary of indebtedness of at least $10 million; (v) certain events of bankruptcy or insolvency with respect to any borrower or any subsidiary; (vi) certain judgments for the payment of money of $10 million or more; (vii) a change of control; and (viii) certain defaults relating to the loss of FCC licenses, cessation of broadcasting and termination of material station contracts.  
Aggregate indebtedness     $ 10,000,000  
Amortization of financing costs     $ 900,000  
Debt instrument blended interest rate     2.50%  
Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Debt instrument, debt default, description of violation or event of default     $ 5,000,000  
Debt instrument, interest rate, increase (decrease)   2.00%    
Maturity date   Mar. 01, 2024    
Line of credit facility, covenant terms     The Credit Agreement includes a springing fixed charge coverage ratio of 1.0 to 1.0, which is tested during the period commencing on the last day of the fiscal month most recently ended prior to the date on which Availability (as defined in the Credit Agreement) is less than the greater of 15% of the Maximum Revolver Amount (as defined in the Credit Agreement) and $4.5 million and continuing for a period of 60 consecutive days after the first day on which Availability exceeds such threshold amount  
ABL Borrowings descriptions     Availability under the ABL Facility is subject to a borrowing base consisting of (a) 90% of the eligible accounts receivable plus (b) a calculated amount based on the value of certain real property.  
Debt instrument current borrowing capacity     $ 24,200,000  
Asset-Based Revolving Credit Facility [Member] | Letter of Credit [Member]        
Debt Instrument [Line Items]        
Debt instrument, debt default, description of violation or event of default   $ 5,000,000    
Asset-Based Revolving Credit Facility [Member] | Swingline Credit Facility [Member]        
Debt Instrument [Line Items]        
Debt instrument, debt default, description of violation or event of default   $ 7,500,000    
Abl Facility [Member] | Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Debt related commitment fees and debt issuance costs       $ 200,000
Minimum [Member] | Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Line of credit facility, unused capacity, commitment fee percentage   0.25% 0.25%  
Minimum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate     0.50%  
Minimum [Member] | Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Percentage of advance rate on eligible accounts receivable     85.00%  
Minimum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate   0.50%    
Minimum [Member] | Asset-Based Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate   1.50% 1.50%  
Maximum [Member] | Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Line of credit facility, unused capacity, commitment fee percentage     0.375%  
Maximum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate     1.00%  
Maximum [Member] | Asset-Based Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Line of credit facility, unused capacity, commitment fee percentage   0.375%    
Percentage of advance rate on eligible accounts receivable     90.00%  
Maximum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate   1.00%    
Maximum [Member] | Asset-Based Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate   2.00% 2.00%