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Debt - Additional Information (Detail) - USD ($)
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Jun. 30, 2015
Line of Credit Facility [Line Items]      
Asset based senior secured revolving credit $ 160,000,000    
Revolving credit borrowing 73,800,000 $ 46,100,000 $ 75,900,000
Letters of credit outstanding 3,000,000    
Capital lease and other obligations 2,200,000 $ 2,500,000 $ 2,400,000
Minimum [Member]      
Line of Credit Facility [Line Items]      
Fall of excess committed borrowing availability 12,500,000    
Maximum [Member]      
Line of Credit Facility [Line Items]      
Fall of excess committed borrowing availability $ 20,000,000    
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Credit facility maturity date May 28, 2019    
Amortization period on real estate component of borrowing base 12 years 6 months    
Revolving credit borrowing $ 73,800,000    
Weighted average interest rate 2.00%    
Excess committed borrowing capacity $ 73,900,000    
Unused commitment fees 0.25%    
Fixed charge coverage ratio of credit facility 105.00%