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Related Party Transaction (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Aug. 20, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Aug. 19, 2019
Related Party Transaction [Line Items]          
Share price (usd per share)         $ 17.99
Proceeds from issuance of common stock $ 1,000 $ 111 $ 139    
Chief Operating Officer          
Related Party Transaction [Line Items]          
Issuance of common stock (shares) 55,586        
Director | Note holder | Chief Operating Officer          
Related Party Transaction [Line Items]          
Aggregate principal amount   $ 42,000   $ 42,000