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Stockholders' Equity - Employee Stock Purchase Plan (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Jan. 01, 2024
Apr. 27, 2016
Stockholders' Equity            
Stock-based compensation expense $ 2,070 $ 1,766 $ 5,969 $ 5,597    
2016 Plan            
Stockholders' Equity            
Shares reserved 6,462,956   6,462,956      
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 1,497,964   1,497,964   236,003 1,600,000
Incremental share increase (as a percent)     1.00%      
Incremental share increase (in shares)     500,000      
Stock-based compensation expense $ 200 $ 100 $ 400 $ 400