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Stock-Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Shares      
Shares, Outstanding, Beginning Balance (in shares) 12,223,637    
Shares, Granted (in shares) 1,654,555    
Shares, Exercised (in shares) (257,683)    
Shares, Forfeited or expired (in shares) (22,343)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period (23,810)    
Shares, Outstanding, Ending Balance (in shares) 13,574,356   12,223,637
Shares, Exercisable (in shares) 8,150,261    
Shares, Vested and expected to vest (in shares) 12,411,841    
Weighted- Average Exercise Price      
Weighted- Average Exercise Price, Outstanding, Beginning Balance (in dollars per share) $ 15.11    
Weighted- Average Exercise Price, Granted (in dollars per share) 17.99    
Weighted- Average Exercise Price, Exercised (in dollars per share) 10.24    
Weighted- Average Exercise Price, Forfeited (in dollars per share) 11.04    
Weighted- Average Exercise Price, Expired (in dollars per share) 23.99    
Weighted- Average Exercise Price, Outstanding, Ending Balance (in dollars per share) 15.54   $ 15.11
Weighted- Average Exercise Price, Exercisable (in dollars per share) 18.58    
Weighted- Average Exercise Price, Vested and expected to vest (in dollars per share) $ 15.98    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Weighted- Average Remaining Contractual Term, Outstanding (in years) 6 years 9 months 18 days   6 years 8 months 12 days
Weighted- Average Remaining Contractual Term, Exercisable (in years) 5 years 6 months    
Weighted- Average Remaining Contractual Term, Vested and expected to vest (in years) 6 years 7 months 6 days    
Aggregate Intrinsic Value, Outstanding, Ending Balance $ 46,445    
Aggregate Intrinsic Value, Exercisable 18,242    
Aggregate Intrinsic Value, Vested and expected to vest $ 40,279    
Weighted-average grant-date fair value of options granted (in dollars per share) $ 14.17 $ 3.77  
Intrinsic value of options exercised $ 1,900    
Fair value of shares vested 3,900 $ 4,400  
Unrecognized compensation expense related to non-vested stock-options, net of related forfeiture estimates $ 34,700    
Unrecognized compensation expense recognition period (in years) 1 year 7 months 6 days