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INCOME TAXES Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2018
Income Tax Disclosure [Abstract]  
Schedule of federal tax rate and effective tax rate reconciliation
The following table reconciles the statutory federal tax rate and the Company's effective tax rate for the periods indicated:

 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
 
2018
 
2017
 
2018
 
2017
Statutory federal income tax rate
 
21.0
 %
 
35.0
 %
 
21.0
 %
 
35.0
 %
Tax deficit (benefit) from restricted stock vestings
 
—
 %
 
(0.1
)%
 
0.4
 %
 
(0.8
)%
Domestic production activities deductions
 
—
 %
 
(2.6
)%
 
—
 %
 
(2.7
)%
Federal and state tax credits
 
(4.5
)%
 
(3.8
)%
 
(2.5
)%
 
(2.1
)%
State income taxes
 
3.2
 %
 
1.6
 %
 
2.6
 %
 
1.7
 %
Uncertain tax positions
 
(2.1
)%
 
(0.2
)%
 
0.4
 %
 
1.4
 %
Nondeductible and other expenses
 
1.3
 %
 
0.3
 %
 
0.9
 %
 
0.6
 %
Effective federal and state income tax rate
 
18.9
 %
 
30.2
 %
 
22.8
 %
 
33.1
 %