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Debt - Maturities of Long-Term Debt and Finance Leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Jan. 01, 2019
Debt Disclosure [Abstract]    
2021 $ 6,536  
2022 37,158  
2023 1,263  
2024 498  
2025 4  
Total debt $ 45,459 $ 47,585