Income Taxes
 9 Months Ended
Sep. 30, 2014
Income Tax Disclosure [Abstract]  
Income Taxes
Income Taxes
The following table provides a reconciliation of the federal income tax rate to the Company's effective income tax rate for the third quarters and nine months ended September 30, 2014 and 2013.
 
Quarter Ended
 
Nine Months Ended
 
September 30
 
September 30
 
2014
 
2013
 
2014
 
2013
Federal income tax rate
35
 %
 
35
 %
 
35
 %
 
35
 %
Tax credits, net of equity adjustment
(1
)%
 
—
 %
 
(2
)%
 
(1
)%
Permanent differences
(1
)%
 
(1
)%
 
(1
)%
 
(1
)%
Effective income tax rate
33
 %
 
34
 %
 
32
 %
 
33
 %

The Company had no uncertain tax positions at September 30, 2014.
At September 30, 2014, the Company had a current tax asset of $2.0 million and an $80.4 million net deferred tax liability, compared to a $0.7 million current tax asset and a $68.0 million net deferred tax liability at December 31, 2013.