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Concentration of Credit Risk (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
financial_institution
Dec. 31, 2019
USD ($)
Risks and Uncertainties [Abstract]    
Cash and cash equivalents held at one financial institution $ 18,987  
Cash and cash equivalents $ 24,669 $ 18,808
Number of financial institutions with cash deposits held | financial_institution 1