Revenue - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 15,459	$ 19,015
Accounts receivable, net	0	3,600
Recognized revenue	1,600	996
Grant
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,000	$ 300