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Stockholders' Equity and Equity Compensation Plans - Summary of Unvested Restricted Common Stock Activity (Details) - Restricted common stock - $ / shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Shares    
Shares, Unvested awards, beginning balance 1,334 1,147
Shares, Awards granted 13 701
Shares, Awards forfeited/cancelled (69) (99)
Shares, Awards vested (9) (480)
Shares, Unvested awards, ending balance 1,269 1,269
Weighted-Average Grant Date Fair Value    
Weighted-Average Grant Date Fair Value, Unvested awards, beginning balance $ 53.44 $ 53.34
Weighted-Average Grant Date Fair Value, Awards granted 53.29 51.69
Weighted-Average Grant Date Fair Value, Awards forfeited/cancelled 53.07 53.3
Weighted-Average Grant Date Fair Value, Awards vested 53.17 50.3
Weighted-Average Grant Date Fair Value, Unvested awards, ending balance $ 53.46 $ 53.46