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Summary of Significant Accounting Policies - Summary of Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
Mar. 29, 2019
Dec. 31, 2018
Finite Lived Intangible Assets Future Amortization Expense [Abstract]    
2019 $ 589  
2020 491  
2021 449  
2022 449  
2023 449  
2024 449  
Thereafter 2,751  
Total $ 5,627 $ 5,936