Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - 6.75% Senior Secured Notes - Additional Information (Detail)

v3.21.2
Long-Term Debt - 6.75% Senior Secured Notes - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 24, 2021
Sep. 10, 2021
Jul. 31, 2021
Jul. 01, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Mar. 31, 2021
Dec. 31, 2020
May 19, 2017
Debt Instrument [Line Items]                      
Interest payable, current         $ 2,750,000   $ 2,750,000     $ 1,225,000  
Debt related commitment fees and debt issuance costs             6,300,000        
Principal Repurchased $ 4,700,000                    
Repayments of Secured Debt 4,700,000                    
Net gain 56,000                    
Gain (Loss) on Extinguishment of Debt     $ 11,200,000   $ (56,000)   $ (56,000) $ 49,000      
PPP Loan [Member]                      
Debt Instrument [Line Items]                      
Gain (Loss) on Extinguishment of Debt       $ 11,200,000              
Debt instrument Repayment date description     July 2021                
Small Business Association [Member]                      
Debt Instrument [Line Items]                      
Long-term debt, gross                 $ 11,200,000    
6.75% Senior Secured Notes [Member]                      
Debt Instrument [Line Items]                      
Debt instrument, interest rate, stated percentage         6.75%   6.75%       6.75%
Debt related commitment fees and debt issuance costs         $ 200,000 $ 200,000 $ 500,000 $ 600,000      
Debt Instrument, Face Amount         98,800,000   98,800,000        
Payroll Protection Plans [Member]                      
Debt Instrument [Line Items]                      
Long-term debt, gross                 $ 11,200,000    
Unforgiven loans payable     $ 20,000,000                
2024 Notes [member]                      
Debt Instrument [Line Items]                      
Interest expense, debt             6,600,000        
Interest payable, current         2,300,000   2,300,000        
Long-term debt, gross         98,800,000   98,800,000        
Principal Repurchased 4,700,000                    
Repayments of Secured Debt 4,700,000                    
Net gain $ 56,000,000                    
Debt Conversion, Converted Instrument, Amount   $ 112,800,000         112,800,000        
Bond Issuance Cost   1,100,000                  
Debt Instrument, Face Amount   112,800,000     112,800,000   112,800,000        
2028 Notes [member]                      
Debt Instrument [Line Items]                      
Interest expense, debt   8,200                  
Interest payable, current         $ 500   500        
Debt Conversion, Converted Instrument, Amount   $ 114,700,000         $ 114,700,000        
Percentage of call premium   1.688%