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Stock-based Compensation - Stock Options - General Information (Details)
3 Months Ended
Mar. 31, 2021
Maximum  
Stock-based Compensation  
Award term 10 years
Incentive Stock Optionee, Stock Ownership Greater than Ten Percent of Voting Power  
Stock-based Compensation  
Minimum exercise price to fair market value of common stock at the date of grant (as a percent) 110.00%
Incentive Stock Optionee, Stock Ownership Greater than Ten Percent of Voting Power | Maximum  
Stock-based Compensation  
Award term 5 years