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Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Taxes [Line Items]      
Income tax paid $ 0 $ 0 $ 0
U.S. Federal      
Income Taxes [Line Items]      
Net operating loss carryforwards 326,300,000    
Research and development tax credit 20,600,000    
U.S. Federal | Subject To Annual Limitations      
Income Taxes [Line Items]      
Net operating loss carryforwards 189,700,000    
U.S. Federal | Not Subject To Annual Limitations      
Income Taxes [Line Items]      
Net operating loss carryforwards 289,600,000    
Research and development tax credit 20,600,000    
Foreign      
Income Taxes [Line Items]      
Net operating loss carryforwards 31,700,000    
State and City      
Income Taxes [Line Items]      
Net operating loss carryforwards 118,700,000    
State and City | Not Subject To Annual Limitations      
Income Taxes [Line Items]      
Net operating loss carryforwards $ 118,500,000