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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2018
Income Tax Disclosure [Abstract]  
Components of Income Tax Expense
The components of income tax expense for the following periods are as follows (in thousands):
 
 
For the three months ended
 
For the nine months ended
 
September 30,
 
September 30,
 
2018
 
2017
 
2018
 
2017
Federal
$

 
$

 
$

 
$
271

State

 

 

 
46

Tax expense (benefit)
$

 
$

 
$

 
$
317