Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

v3.21.1
Long-Term Debt - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
May 03, 2019
Sep. 29, 2017
Debt Disclosure [Line Items]          
Debt Issuance Costs, Line of Credit Arrangements, Gross   $ 400,000      
Letters of credit outstanding   $ 400,000 $ 400,000    
Current Ratio   1.00      
Debt To E B I T D Ratio Maximum   3.50      
Anti-hording provision, Max cash   $ 25,000,000      
Second Lien Facility   146,860,000 200,000,000   $ 200,000,000
Proceeds from Debt, Net of Issuance Costs   187,800,000      
Debt Instrument, Unamortized Discount   1,096,000 1,604,000   4,000,000.0
Unamortized Debt Issuance Expense   $ 3,602,000 $ 3,299,000   $ 8,200,000
First Lien Debt To E B I T D Ratio Maximum   2.50      
Amortization Payment $ 1,875,000        
Revolving Credit Facility          
Debt Disclosure [Line Items]          
Commitment fee   0.50%      
Minimum [Member] | Revolving Credit Facility          
Debt Disclosure [Line Items]          
Interest rate   1.50%      
Minimum [Member] | LIBOR | Revolving Credit Facility          
Debt Disclosure [Line Items]          
Applicable margin   2.50%      
Maximum [Member] | Revolving Credit Facility          
Debt Disclosure [Line Items]          
Interest rate   2.50%      
Maximum [Member] | LIBOR | Revolving Credit Facility          
Debt Disclosure [Line Items]          
Applicable margin   3.50%      
Revolving Credit Facility          
Debt Disclosure [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity   $ 375,000,000   $ 1,000,000,000.0  
Line of Credit Facility, Current Borrowing Capacity   $ 350,000,000      
Interest Rate at Period End   3.11%      
Revolving Credit Facility | Interest Payable One [Member]          
Debt Disclosure [Line Items]          
Debt Instrument, Interest Payable Period   1 month      
Revolving Credit Facility | Interest Payable Two [Member]          
Debt Disclosure [Line Items]          
Debt Instrument, Interest Payable Period   3 months      
Revolving Credit Facility | Interest Payable Three [Member]          
Debt Disclosure [Line Items]          
Debt Instrument, Interest Payable Period   6 months      
Line of Credit [Member] | Year 1 [Domain]          
Debt Disclosure [Line Items]          
Prepayment Premium   102.00%      
Line of Credit [Member] | Year 2 [Domain]          
Debt Disclosure [Line Items]          
Prepayment Premium   101.00%      
Line of Credit [Member] | Letter of Credit          
Debt Disclosure [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity   $ 25,000,000      
Second Lien Facility [Member]          
Debt Disclosure [Line Items]          
Debt Issuance Costs, Line of Credit Arrangements, Gross 1,400,000        
Interest rate option two, applicable margin rate   8.25% 7.25%    
Interest rate option one, applicable margin rate over Adjusted LIBOR   825.00% 9.25%    
Debt Instrument, Interest Rate Floor   1.00%      
Payment for Debt Extinguishment or Debt Prepayment Cost 50,000,000        
Repayments of Debt $ 1,300,000        
Asset Coverage Ratio 1.25        
Write off Deferred Debt Issuance and Original Issuance Costs $ 1,200,000        
Second Lien Facility Interest Rate   9.25%      
Second Lien Facility [Member] | Year 1 [Domain]          
Debt Disclosure [Line Items]          
Prepayment Premium   102.00%      
Year 2 [Domain] | Year 1 [Domain]          
Debt Disclosure [Line Items]          
Prepayment Premium   101.00%