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Certain Balance Sheet Components - Other Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Deferred revenue, net of current portion $ 3,082 $ 6,107
Other long-term liabilities 0 450
Other liabilities $ 3,082 $ 6,557