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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 25, 2020
Mar. 27, 2019
Dec. 25, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock, options outstanding (shares) 2,034,834   2,077,570
Common stock, options vested (shares) 1,518,145    
Common stock, options unvested (shares) 516,689    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 8.07   $ 8.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period (42,736)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price $ 11.47    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number 2,026,518    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price $ 8.05    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,518,145    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 6.93    
Unvested restricted shares outstanding (shares) 538,998   588,008
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 11.12   $ 11.23
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited And Expirations In Period (49,010)    
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures And Expired Weighted Average Grant Date Fair Value $ 12.42    
Stock-based compensation $ 534 $ 488  
Premium Options      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock, options outstanding (shares) 1,159,366    
Employee Stock Option      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized compensation expense $ 1,500    
Unrecognized compensation expense, period for recognition 2 years 8 months 5 days    
Restricted Stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized compensation expense, period for recognition 2 years 6 months 25 days    
Unvested restricted shares outstanding (shares) 430,823    
Unrecognized compensation expense $ 3,700    
Performance Shares      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized compensation expense, period for recognition 3 years 1 month 12 days    
Unvested restricted shares outstanding (shares) 36,058    
Unrecognized compensation expense $ 100    
Restricted Stock Units (RSUs)      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized compensation expense, period for recognition 2 years 1 month 12 days    
Unvested restricted shares outstanding (shares) 72,117    
Unrecognized compensation expense $ 500