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Stockholders' Equity - Employee Stock Purchase Plan (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Jan. 01, 2024
Apr. 27, 2016
Stockholders' Equity        
Stock-based compensation expense $ 2,039 $ 2,023    
2016 Plan        
Stockholders' Equity        
Shares reserved 6,451,155      
Employee Stock Purchase Plan        
Stockholders' Equity        
Purchase price of common stock under plan (as a percent) 85.00%      
Offering period (in months) 6 months      
Shares reserved 1,605,871   236,003 1,600,000
Incremental share increase (as a percent) 1.00%      
Incremental share increase (in shares) 500,000      
Stock-based compensation expense $ 100 $ 200