Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
State	$ 47	$ 8	$ 4
Foreign	500	0	0
Total current	547	8	4
Deferred:
Federal	0	0	0
Total deferred	0	0	0
Provision for income taxes	$ 547	$ 8	$ 4