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Debt - Maturities of Long-Term debt (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Debt Disclosure [Abstract]  
2019 (remaining three months) $ 814
2020 3,203
2021 3,210
2022 35,216
2023 3,115
Thereafter 2,754
Total long-term debt, current and non-current $ 48,312