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Unaudited Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Statement of Comprehensive Income [Abstract]        
Changes in unrealized gain (loss) on investments, income taxes $ 0 $ 0 $ 0 $ 0