Operating Lease Liabilities and Right-of-Use Assets - Schedule of Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease, right-of-use asset, net	$ 17	$ 142	$ 659
Current portion of operating lease liabilities	17	219
Operating lease liabilities, net of current portion	0	17
Total operating lease liabilities	$ 17	$ 236	$ 728