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Basis of Presentation (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Basis of Presentation      
Cash and cash equivalents $ 165,521   $ 193,725
Accumulated deficit (464,341)   $ (411,545)
Net loss (52,796) $ (31,472)  
Net cash used in operating activities $ (52,353) $ (32,413)