Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Long-Term Debt - Summary of Long-term Debt Obligations - Additional Information (Detail) - USD ($)
 6 Months Ended
May 19, 2017
Jun. 30, 2019
Shares Issued And Outstanding [Line Items]    
Long-term Debt   $ 254,316,000
Debt instrument, face amount   231,900,000
Asset-Based Revolving Credit Facility [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, face amount $ 30,000,000 $ 22,400,000
Minimum [Member] | Asset-Based Revolving Credit Facility [Member]    
Shares Issued And Outstanding [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]    
Shares Issued And Outstanding [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]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate 1.00%  
Maximum [Member] | Asset-Based Revolving Credit Facility [Member]    
Shares Issued And Outstanding [Line Items]    
Line of credit facility, unused capacity, commitment fee percentage 0.375% 0.375%
Maximum [Member] | Asset-Based Revolving Credit Facility [Member] | Base Rate [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate 1.50%  
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%  
Asset-Based Revolving Credit Facility [Member]    
Shares Issued And Outstanding [Line Items]    
Long-term Debt   $ 22,400,000
Asset-Based Revolving Credit Facility [Member] | Minimum [Member] | Base Rate [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate   0.50%
Asset-Based Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate   1.50%
Asset-Based Revolving Credit Facility [Member] | Maximum [Member] | Base Rate [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate   1.00%
Asset-Based Revolving Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, basis spread on variable rate   2.00%
6.75% Senior Secured Notes [Member]    
Shares Issued And Outstanding [Line Items]    
Debt instrument, interest rate, stated percentage 6.75% 6.75%