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Basis of Presentation - Schedule of Cash and Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Cash and Cash Equivalents $ 31,833 $ 16,283 $ 23,972  
Restricted Cash, Current Portion 853 0    
Restricted Cash, Less Current Portion 5,340 0 0  
Total Cash, Cash Equivalents, and Restricted Cash $ 38,026 $ 16,283 $ 23,972 $ 17,198