Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Contractual Repayments (Details)

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Debt - Schedule of Contractual Repayments (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Sep. 30, 2017
Debt Disclosure [Abstract]    
2019 $ 14,773  
2020 14,762  
2021 14,555  
2022 19,157  
2023 17  
Thereafter 0  
Total long-term debt $ 63,264 $ 57,500