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Commitments and Contingencies - Schedule of Future Minimum Rental Payments for Operating Leases (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2019 $ 2,796
2020 2,878
2021 2,792
2022 2,744
2023 2,576
Thereafter 21,922
Total future minimum lease obligations $ 35,708