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Commitments and Contingencies - Maturity of Operating Lease Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Oct. 01, 2019
Commitments and Contingencies Disclosure [Abstract]    
2021 $ 2,100  
2022 1,721  
2023 1,721  
2024 1,388  
2025 301  
Thereafter 672  
Total lease payments 7,903  
Less: amount representing interest (757)  
Present value of future lease payments $ 7,146 $ 8,200