Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.4.0.3
Debt - Additional Information (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 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 $ 6,100,000 $ 6,100,000    
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 3,780,000 3,780,000    
Remaining available balance $ 6,175,000 $ 6,175,000 $ 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% 125.00%    
Minimum net worth $ 37,500,000 $ 37,500,000    
LIBOR [Member]        
Line of Credit Facility [Line Items]        
Effective floating interest rate 2.50%      
Effective fixed interest rate 2.93% 2.93%    
Debt instrument floor rate 0.43%      
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%    
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%