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Debt - Schedule of Company's Contractual Payments (Details) - USD ($)
Dec. 31, 2018
May 31, 2017
Debt Disclosure [Abstract]    
Long term debt, 2019 $ 28,125,000  
Long term debt, 2020 33,750,000  
Long term debt, 2021 39,375,000  
Long term debt, 2022 595,000,000  
Long term debt, Total $ 696,250,000 $ 675,000,000