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Commitments and Contingencies - Estimated Annual Lease, Royalty, and Employment Agreement Expenses (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2020 $ 2,263
2021 2,259
2022 2,344
2023 205
2024 0
Thereafter 0
Total Contractual commitments $ 7,071