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Commitment and Contingencies - Future Minimum Lease Payments Prior to Adoption (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2020 $ 5,838
2021 5,246
2022 4,698
2023 4,302
2024 3,596
Thereafter 10,531
Total minimum payments $ 34,211