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Significant Accounting Policies Schedule of Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Schedule of Cash [Abstract]        
Cash and cash equivalents $ 46,049   $ 5,177  
Restricted cash 33,769 $ 10,454 10,377  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 79,818 $ 15,669 $ 15,554 $ 9,912