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Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2021
Income Taxes [Abstract]  
Provision For Income Taxes
The following table presents the provision for income taxes and our effective tax rates:

(in thousands)
  
Three months ended
    
Nine months ended
  
   
September 30,
2021
    
September 30,
2020
    
September 30,
2021
    
September 30,
2020
  
Income (loss) before income taxes
  
$
11,604
    
$
(545
)
  
$
12,591
    
$
(8,902
)
Provision for income taxes
    
166
   
116
      
127
   
166
  
Effective tax rate
    
1.4
%
    
(21.3
)%
    
1.0
%
    
(1.9
)%