Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Current expense (benefit):
U.S. federal	$ 0	$ 0
U.S. state and local	0	0
Non-U.S.	31	51
Total current income tax (benefit) provision	31	51
Deferred expense (benefit):
U.S. federal	0	0
U.S. state and local	0	0
Non-U.S.	0	0
Total deferred income tax (benefit) provision	0	0
Total income tax (benefit) provision	$ 31	$ 51