Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.5.0.2
Debt - Additional Information (Detail) - USD ($)
 6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Mar. 23, 2015
JP Morgan Chase Bank [Member]      
Line of Credit Facility [Line Items]      
Credit facility, maturity date Mar. 23, 2020    
Term Loan A [Member]      
Line of Credit Facility [Line Items]      
Current borrowings under credit facility     $ 27,000,000
Term Loan A [Member] | JP Morgan Chase Bank [Member]      
Line of Credit Facility [Line Items]      
Line of credit facility     27,000,000
Term Loan B [Member]      
Line of Credit Facility [Line Items]      
Remaining available balance $ 5,900,000    
Term Loan B [Member] | JP Morgan Chase Bank [Member]      
Line of Credit Facility [Line Items]      
Line of credit facility     8,000,000
Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Current borrowings under credit facility 6,618,000    
Remaining available balance $ 3,337,000 $ 9,882,000  
Revolving Credit Facility [Member] | JP Morgan Chase Bank [Member]      
Line of Credit Facility [Line Items]      
Line of credit facility     $ 10,000,000
CBFR Loans [Member]      
Line of Credit Facility [Line Items]      
Interest on the credit facility, description CBFR Loan, which bears interest at a per annum rate equal to (a) the Lender’s prime rate or (b) LIBOR for a 30-day interest period plus 2.50%, in each case, plus a margin ranging from -0.75% to -0.25%.    
Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Minimum fixed charge coverage ratio 125.00%    
Minimum net worth $ 37,500,000    
LIBOR [Member] | Term Loan A [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate 2.50%    
Effective fixed interest rate 2.95%    
Debt instrument floor rate 0.45%    
LIBOR [Member] | Term Loan B [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate 2.50%    
Effective fixed interest rate 2.95%    
Debt instrument floor rate 0.45%    
LIBOR [Member] | CBFR Loans [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate 2.50%    
Eurodollar [Member]      
Line of Credit Facility [Line Items]      
Interest on the credit facility, description Eurodollar Loan, which bears interest at a per annum rate equal to LIBOR plus a margin ranging from 2.00% to 2.50%    
JPM Chase Prime Rate [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate 0.25%    
Effective fixed interest rate 3.25%    
Debt instrument floor rate 3.50%    
Maximum [Member] | Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Leverage ratio for remainder period 300.00%    
Maximum [Member] | LIBOR [Member] | CBFR Loans [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate (0.75%)    
Maximum [Member] | Eurodollar LIBOR Rate [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate 2.50%    
Minimum [Member] | Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Leverage ratio for remainder period 225.00%    
Minimum [Member] | LIBOR [Member] | CBFR Loans [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate (0.25%)    
Minimum [Member] | Eurodollar LIBOR Rate [Member]      
Line of Credit Facility [Line Items]      
Effective floating interest rate 2.00%