Income Taxes - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Income Tax Contingency [Line Items]    
Operating loss carryforwards $ 116.2 $ 45.5
Domestic Tax Authority | United States | Agora Lab, Inc.    
Income Tax Contingency [Line Items]    
Operating loss carryforwards 37.9 35.5
State and Local Jurisdiction | United States | Agora Lab, Inc.    
Income Tax Contingency [Line Items]    
Operating loss carryforwards $ 37.8 $ 35.4