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Commitments and Contingencies - Future Minimum Rental Payments under Leases (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2021 $ 1,440
2022 1,312
2023 1,345
2024 1,379
2025 589
Total future minimum rental payments $ 6,065