Consolidated Financial Statement Details - Schedule of Property, Equipment and Improvements, Net by Geographic Areas (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Total property, equipment and improvements, net	$ 9,582	$ 10,052
United States
Disaggregation of Revenue [Line Items]
Total property, equipment and improvements, net	6,059	6,973
United Kingdom
Disaggregation of Revenue [Line Items]
Total property, equipment and improvements, net	3,333	2,846
Others
Disaggregation of Revenue [Line Items]
Total property, equipment and improvements, net	$ 190	$ 233