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Balance Sheets Components - Summary of Other Long-Term Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]    
Deferred rent liabilities $ 1,988 $ 2,543
Deferred revenue 937 1,152
Other 392 327
Other long-term liabilities $ 3,317 $ 4,022