Net Loss Attributable to Common Shareholders - Schedule of basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net loss	$ (139,378)	$ (3,274)	$ (10,397)	$ (9,070)	$ (142,652)	$ (19,466)
Weighted-average common shares outstanding, basic	91,798,837		34,482,179		63,805,807	33,309,191
Weighted-average common shares outstanding, diluted	91,798,837		34,482,179		63,805,807	33,309,191
Basic loss per share (in dollars per share)	$ (1.52)		$ (0.30)		$ (2.24)	$ (0.58)
Diluted loss per share (in dollars per share)	$ (1.52)		$ (0.30)		$ (2.24)	$ (0.58)