Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Summary of Long-term Debt Obligations - Additional Information (Detail)

v3.20.2
Long-Term Debt - Summary of Long-term Debt Obligations - Additional Information (Detail) - USD ($)
9 Months Ended
May 19, 2017
Sep. 30, 2020
Shares Issued And Outstanding [Line Items]    
Debt instrument, face amount   $ 216,300,000
Asset-Based Revolving Credit Facility [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, face amount   $ 16,600,000
Minimum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate 0.50% 0.50%
Minimum [Member] | Asset-Based Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate 1.50% 1.50%
Maximum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate 1.00% 1.00%
Maximum [Member] | Asset-Based Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate 2.00% 2.00%
Asset-Based Revolving Credit Facility [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, face amount $ 30,000,000 $ 16,600,000
Asset-Based Revolving Credit Facility [Member] | Minimum [Member]    
Shares Issued And Outstanding [Line Items]    
Line of credit facility, unused capacity, commitment fee percentage 0.25% 0.25%
Asset-Based Revolving Credit Facility [Member] | Maximum [Member]    
Shares Issued And Outstanding [Line Items]    
Line of credit facility, unused capacity, commitment fee percentage 0.375% 0.375%
6.75% Senior Secured Notes [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, interest rate, stated percentage 6.75% 6.75%