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Stock-Based Compensation - 2020 Employee Stock Purchase Plan (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
shares
Mar. 31, 2021
USD ($)
Dec. 31, 2020
item
Stock-Based Compensation      
Percent of common stock at fair market value to be exercised 100.00%    
Stock-based compensation expense | $ $ 4,965 $ 3,208  
Employee stock purchase plan contingently issuable      
Stock-Based Compensation      
Percentage of eligible earnings withheld     15.00%
Percent of common stock at fair market value to be exercised     85.00%
Number of months for each purchase period     6 months
Number of purchase periods | item     2
Common stock reserved for issuance | shares 430,416    
Stock-based compensation expense | $ $ 100 $ 100  
Employee stock purchase plan contingently issuable | Maximum      
Stock-Based Compensation      
Offering period     27 months
2022 Inducement Plan      
Stock-Based Compensation      
Common stock reserved for issuance | shares 2,000,000