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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2014
Income Tax Disclosure [Abstract] |
Income Tax Expense (Benefit) |
| Year Ended December 31,
| 2014 |  | 2013 |  | 2012
Current: |  |  |  |  |
Federal | $ | — |  |  | $ | 345 |  |  | $ | (8,463 | )
State | 1,100 |  |  | 650 |  |  | 275 |
Total current income tax expense (benefit) | $ | 1,100 |  |  | $ | 995 |  |  | $ | (8,188 | )
Deferred: |  |  |  |  |
Federal | $ | 1,508 |  |  | $ | (248 | ) |  | $ | (1,035 | )
State | 237 |  |  | 98 |  |  | 18 |
Total deferred income tax benefit | $ | 1,745 |  |  | $ | (150 | ) |  | $ | (1,017 | )
Total income tax expense (benefit) from continuing operations (1) | $ | 2,845 |  |  | $ | 845 |  |  | $ | (9,205 | )
(1) | Our discontinued operations had no income tax benefit or expense in any period presented.
Deferred Tax Assets And Liabilities |
| December 31,
| 2014 |  | 2013
Deferred tax assets: |  |  |
Current: |  |  |
Other current assets | $ | 262 |  |  | $ | 297 |
Other | 8 |  |  | 8 |
Total current deferred tax asset | 270 |  |  | 305 |
Net operating loss carryforwards | 9,048 |  |  | 7,784 |
Total long-term deferred tax asset | 9,048 |  |  | 7,784 |
Valuation allowances | (737 | ) |  | (660 | )
Total deferred tax assets | $ | 8,581 |  |  | $ | 7,429 |
Deferred tax liabilities: |  |  |
Current: |  |  |
Other | $ | (871 | ) |  | $ | (785 | )
Long-term: |  |  |
Fixed assets | (4,335 | ) |  | (4,441 | )
Intangible assets | (14,419 | ) |  | (11,503 | )
Total long-term liability | (18,754 | ) |  | (15,944 | )
Total deferred tax liabilities | $ | (19,625 | ) |  | $ | (16,729 | )
Total net deferred tax liability | $ | (11,044 | ) |  | $ | (9,300 | )
Federal Statutory Income Tax Rate To Income Before Income Taxes |
| Year Ended December 31,
| 2014 |  | 2013 |  | 2012
Income from continuing operations before income taxes | $ | 109,047 |  |  | $ | 84,849 |  |  | $ | 88,132 |
Partnership income not subject to tax | (104,751 | ) |  | (85,567 | ) |  | (90,815 | )
Income (loss) subject to income taxes | $ | 4,296 |  |  | $ | (718 | ) |  | $ | (2,683 | )
Tax expense (benefit) at federal statutory rate | $ | 1,504 |  |  | $ | (251 | ) |  | $ | (939 | )
State income taxes, net of federal tax | 992 |  |  | 660 |  |  | 460 |
Effects of unrecognized tax positions, federal and state | — |  |  | — |  |  | (8,205 | )
Return to provision, federal and state | (232 | ) |  | 88 |  |  | (166 | )
Other | 581 |  |  | 348 |  |  | (355 | )
Income tax expense (benefit) | $ | 2,845 |  |  | $ | 845 |  |  | $ | (9,205 | )
Effective tax rate on income from continuing operations before income taxes (1) | 3 | % |  | 1 | % |  | N/A |
(1) | Income tax expense is related to taxable income generated by our corporate subsidiaries and Texas Margin Tax. Due to the income tax benefit in 2012, the effective tax rate as a percentage of our total income from continuing operations before income taxes is not meaningful for those periods.

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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