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Commitments and Contingencies - Schedule of Future Minimum Rental Payments for Operating Leases (Details)
$ in Thousands
Sep. 30, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2018 $ 2,967
2019 2,797
2020 2,841
2021 2,830
2022 2,784
Thereafter 24,477
Total future minimum lease obligations $ 38,696