General - Net Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 18, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net loss per share
Number of anti-dilutive shares excluded from computation of diluted loss per share				2,471	2,486
Net loss attributable to common stockholders		$ (25,298)	$ (87,326)	$ (105,865)	$ (226,613)
Weighted average common shares outstanding - basic		6,365,353	315,725	5,854,840	176,875
Weighted average common shares outstanding - diluted		6,365,353	315,725	5,854,840	176,875
Basic (in dollars per share)		$ (3.97)	$ (276.59)	$ (18.08)	$ (1,281.20)
Diluted (in dollars per share)		$ (3.97)	$ (276.59)	$ (18.08)	$ (1,281.20)
Series A Preferred Stock
Net loss per share
Number of anti-dilutive shares excluded from computation of diluted loss per share				393
Series B Preferred Stock
Net loss per share
Number of anti-dilutive shares excluded from computation of diluted loss per share				16,079
Warrant | Private Placement
Net loss per share
Number of anti-dilutive shares excluded from computation of diluted loss per share	9,731,819
Common Stock
Net loss per share
Number of anti-dilutive shares excluded from computation of diluted loss per share				2,433