Share-based Compensation - Expense by Type of Grant (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 305	$ 10,052	$ (6,078)	$ 34,612
Vendor Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	9	80	116	134
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	172	4,251	(11,883)	16,227
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	75	5,721	5,449	18,251
Shares issuable under the employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 49	$ 0	$ 240	$ 0