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Commitments and Contingencies - Schedule of Future Minimum Annual Obligations Under Previous Lease Accounting Standard (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2019 $ 937
2020 969
2021 726
2022 0
2023 0
Thereafter 0
Total minimum payments required $ 2,632