Earnings (Loss) Per Share - Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net loss	$ (36,830)	$ (25,435)	$ (112,753)	$ (41,016)
Net loss attributable to common shareholders	(36,830)	(25,435)	(112,753)	(41,016)
Net loss attributable to common shareholders	$ (36,830)	$ (25,435)	$ (112,753)	$ (41,016)
Denominator:
Weighted average common shares outstanding- Basic (in shares)	340,255,023	129,650,239	336,641,349	128,780,581
Dilutive effect of potential common shares (in shares)	0	0	0	0
Weighted average common shares outstanding- Diluted (in shares)	340,255,023	129,650,239	336,641,349	128,780,581
Net loss per shares attributable to common shareholders- Basic (in dollars per share)	$ (0.11)	$ (0.20)	$ (0.33)	$ (0.32)
Net loss per shares attributable to common shareholders- Diluted (in dollars per share)	$ (0.11)	$ (0.20)	$ (0.33)	$ (0.32)