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Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2019 $ 1,125
2020 2,285
2021 2,354
2022 2,424
2023 2,497
Thereafter 12,187
Total minimum lease payments $ 22,872