Income Taxes Reconciliation of Statutory Federal Income Tax Rate and Effective Tax Rate (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income taxes statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	(1.50%)	(5.00%)	(2220.00%)
State rate change	3.40%	0.00%	0.00%
Penalties	0.00%	0.40%	80.00%
Return to provision adjustment	(0.40%)	5.00%	1400.00%
Book impairment of goodwill	0.00%	18.60%	0.00%
Other	(0.30%)	(0.40%)	325.00%
Effective income tax rate	36.20%	53.60%	(380.00%)

Effective Income Tax Rate Reconciliation Penalties

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Effective Income Tax Rate Reconciliation Return To Provision Adjustment

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Effective Income Tax Reconciliation State Rate Change

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to impairment loss.

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