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Income Taxes - Summary of Changes in Gross Amount of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Beginning balance $ 532 $ 920 $ 920
Increases based on tax positions during the current period 0 0
(Decreases) based on tax positions during the current period (426) (388) 0
Ending balance $ 106 $ 532 $ 920