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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating Loss Carryforwards [Line Items]    
Income tax provision $ 0 $ 0
Percentage of valuation allowance against deferred tax assets 100.00%  
Decrease in deferred tax assets valuation allowance $ 1,793 6,540
New York State [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards net, expected to expire unutilized and unavailable to offset future federal taxable income 191,914  
New York City [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards net, expected to expire unutilized and unavailable to offset future federal taxable income $ 176,137  
Earliest Tax Year [Member]    
Operating Loss Carryforwards [Line Items]    
Open tax period Dec. 31, 1998  
Latest Tax Year [Member]    
Operating Loss Carryforwards [Line Items]    
Open tax period Dec. 31, 2021  
Federal [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 277,398 260,622
Operating loss carryforwards, annual limitation 28  
Operating loss carryforwards net, expected to expire unutilized and unavailable to offset future federal taxable income 204,458  
Operating loss carryforwards available for offset future taxable income 72,940  
Operating loss carryforwards for unlimited period 71,203  
Federal [Member] | Expire Between 2019 and 2037 [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards available for offset future taxable income $ 1,737  
Federal [Member] | Earliest Tax Year [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards, expiration dates 2022  
Federal [Member] | Latest Tax Year [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards, expiration dates 2037  
Federal [Member] | Research and Development Tax Credit Carryforwards [Member]    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforwards $ 5,833 5,458
Tax credit carryforwards, expiration dates 2041  
Tax credit carryforwards expected to expire unutilized $ 721  
State and City [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 1,766 1,737
Operating loss carryforwards, expiration dates 2041  
Foreign [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 27,951 30,880
Federal and State [Member] | Earliest Tax Year [Member]    
Operating Loss Carryforwards [Line Items]    
Open tax period Dec. 31, 2018  
Federal and State [Member] | Latest Tax Year [Member]    
Operating Loss Carryforwards [Line Items]    
Open tax period Dec. 31, 2021  
Minimum [Member] | State and City [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 24,760 26,414
Maximum [Member] | State and City [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 193,680 $ 192,466