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Commitments and Contingencies - Schedule of Future Minimum Payments Under the Leases (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2019 $ 5,519
2020 5,669
2021 5,332
2022 5,460
2023 5,570
Thereafter 35,836
Total future minimum lease payments $ 63,386