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Other Financial Information - Schedule of Interest and Other Income (Expenses) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Other Financial Information [Abstract]    
Interest income $ 1,719 $ 3,610
Other finance expenses (192) (144)
Total finance income $ 1,527 $ 3,466