Income Taxes (Tables)

3 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Reconciliation of effective tax rate to the U.S. federal statutory tax rate

A reconciliation of the effective tax rate to the U.S. federal statutory tax rate is as follows:

	Three months ended March 31,
	2014		2013
Federal statutory tax rate	35.0	%	35.0	%
State income taxes, net of federal benefit	2.3		2.6
Change in valuation allowance	—		(0.1	)
Domestic production activities deduction	(2.7	)	(2.4	)
Other	0.1		0.2
Effective income tax rate	34.7	%	35.3	%

Schedule of deferred tax assets and liabilities

Deferred taxes are presented in the balance sheets as follows (in thousands):

	March 31, 2014			December 31, 2013
Current deferred tax assets	$	2,500		$	2,522
Non-current deferred tax assets	15,100			15,012
Non-current deferred tax liabilities	(27,351		)	(27,575		)
Net deferred tax assets (liabilities)	$	(9,751	)	$	(10,041	)