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Long-Term Debt - Narrative (Details) - USD ($)
3 Months Ended
Mar. 30, 2016
Oct. 15, 2015
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Aug. 27, 2015
Jun. 30, 2015
May 01, 2015
Mar. 31, 2015
Oct. 18, 2013
Line of Credit Facility [Line Items]                        
Interest expenses related to credit facility     $ 8,000                  
Unamortized deferred debt offering costs and debt discount     $ 100,000                  
Secured Debt                        
Line of Credit Facility [Line Items]                        
Interest rate during period     8.75%                  
October 2013 Term Loan | Secured Debt                        
Line of Credit Facility [Line Items]                        
Maximum capacity on draw                       $ 47,000,000
October 2013 Delayed Draw Term Loan | Secured Debt                        
Line of Credit Facility [Line Items]                        
Maximum capacity on draw                       $ 20,000,000
Financing Agreement, October 2013                        
Line of Credit Facility [Line Items]                        
Restricted cash and cash equivalents                     $ 10,000,000  
Financing Agreement, October 2013 | Secured Debt                        
Line of Credit Facility [Line Items]                        
Consolidated EBITDA per amendment to financing agreement                 $ 21,300,000   $ 20,600,000  
Financing Agreement Amendment, May 2015                        
Line of Credit Facility [Line Items]                        
Consolidated EBITDA per amendment to financing agreement       $ 25,600,000 $ 24,400,000 $ 23,100,000 $ 22,200,000          
Restricted cash and cash equivalents                   $ 8,000,000    
Accelerated principal payment per amendment to financing agreement       4,500,000                
Financing Agreement Amendment, May 2015 | Secured Debt                        
Line of Credit Facility [Line Items]                        
Consolidated EBITDA per amendment to financing agreement                   $ 17,000,000    
Financing Agreement Amendment, August 2015                        
Line of Credit Facility [Line Items]                        
Consolidated EBITDA per amendment to financing agreement       $ 17,500,000 17,000,000 $ 15,000,000 $ 14,500,000          
Accelerated principal payment per amendment to financing agreement   $ 500,000                    
Line of credit facility, covenant compliance, unrestricted cash and cash equivalent               $ 12,500,000        
March 2016 Term Loan | Secured Debt                        
Line of Credit Facility [Line Items]                        
Maximum capacity on draw         10,000,000              
Frequency of periodic payment quarterly                      
Quarterly installments $ 500,000                      
Fixed rate interest on debt     4.93%                  
March 2016 Revolving Loan | Revolving Credit Facility                        
Line of Credit Facility [Line Items]                        
Maximum capacity on draw         $ 2,000,000              
Greater of 1.25% or LIBOR | Secured Debt                        
Line of Credit Facility [Line Items]                        
Interest rate per annum over the variable basis     7.50%                  
Minimum rate or LIBOR added to stated interest rate     1.25%                  
Reference Rate at the Company's Option | Secured Debt                        
Line of Credit Facility [Line Items]                        
Interest rate per annum over the variable basis     6.50%                  
30 Day LIBOR | March 2016 Revolving Loan | Revolving Credit Facility                        
Line of Credit Facility [Line Items]                        
Interest rate per annum over the variable basis     3.50%