Net Loss per Common Share - Computation of Basic and Diluted Net Loss per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net loss	$ (239,238)	$ (187,134)	$ (130,403)
Weighted average common shares outstanding, basic	45,425,212	40,655,941	37,618,599
Weighted average common shares outstanding, diluted	45,425,212	40,655,941	37,618,599
Net loss per common share, basic	$ (5.27)	$ (4.60)	$ (3.47)
Net loss per common share, diluted	$ (5.27)	$ (4.60)	$ (3.47)