Liquidity and Uncertainties (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Liquidity and Uncertainties
Net loss	$ 49,023	$ 36,135	$ 19,699	$ 15,080	$ 85,158	$ 34,779
Accumulated deficit	$ 308,378				$ 308,378		$ 223,220

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details