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Long-Term Debt - Scheduled Future Payments of Principal For Outstanding Debt and Lease Financing Obligations (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Debt Disclosure [Abstract]  
2019 $ 0
2020 0
2021 0
2022 0
2023 0
Thereafter 60,400
Total Long Term Debt $ 60,400