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Operating Leases - Maturity of Operating Lease Liabilities (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
Leases [Abstract]  
2022 $ 1,265
2023 1,320
2024 1,377
2025 115
Total operating lease payments 4,077
Less: imputed interest (556)
Present value of operating lease liabilities $ 3,521