Quarterly report pursuant to Section 13 or 15(d)

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

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Long-Term Debt - 6.75% Senior Secured Notes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
May 19, 2017
Debt Instrument [Line Items]        
Interest payable, current $ 4,875   $ 1,225  
Debt related commitment fees and debt issuance costs 6,300      
Long-term debt, gross $ 225,143   $ 218,764  
Small Business Association [Member]        
Debt Instrument [Line Items]        
Debt instrument, interest rate, stated percentage 1.00%      
Long-term debt, gross $ 11,200      
Debt instrument term 5 years      
Debt Instrument Redemption Period One [Member]        
Debt Instrument [Line Items]        
Debt instrument, redemption price, percentage of principal amount redeemed     100.00%  
6.75% Senior Secured Notes [Member]        
Debt Instrument [Line Items]        
Debt instrument, interest rate, stated percentage 6.75%     6.75%
Debt instrument, debt default, description of violation or event of default The Indenture provides for the following events of default (each, an “Event of Default”): (i) default in payment of principal or premium on the Notes at maturity, upon repurchase, acceleration, optional redemption or otherwise; (ii) default for 30 days in payment of interest on the Notes; (iii) the failure by us or certain restricted subsidiaries to comply with other agreements in the Indenture or the Notes, in certain cases subject to notice and lapse of time; (iv) the failure of any guarantee by certain significant Subsidiary Guarantors to be in full force and effect and enforceable in accordance with its terms, subject to notice and lapse of time; (v) certain accelerations (including failure to pay within any grace period) of other indebtedness of ours or any restricted subsidiary if the amount accelerated (or so unpaid) is at least $15 million; (vi) certain judgments for the payment of money in excess of $15 million; (vii) certain events of bankruptcy or insolvency with respect to us or any significant subsidiary; and (viii) certain defaults with respect to any collateral having a fair market value in excess of $15 million.      
Debt instrument debt default percentage 25.00%      
Interest expense, debt $ 14,600      
Interest payable, current 4,900      
Debt related commitment fees and debt issuance costs $ 200 $ 200