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Income Taxes - Additional Information (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Operating Loss Carryforwards [Line Items]    
Additional unrecognized tax benefit that would affect our annual effective tax rate $ 300,000 $ 300,000
Income tax penalties and interest cacrued 0  
Withholding taxes 4,200,000  
Foreign    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards with unlimited carryforward period 11,100,000  
Net operating loss carryforwards expiring in 2035 900,000  
State    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforwards $ 3,600,000