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Income Taxes | 3 Months Ended
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Mar. 31, 2014
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes The Company’s corporate organizational structure requires the filing of two separate consolidated U.S. Federal income tax returns. Taxable income of one group cannot be offset by tax attributes, including net operating losses, of the other group. 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 | %
Fluctuations in effective tax rates were historically impacted by permanent tax differences with no associated income tax impact and existing deferred tax asset valuation allowances. 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 | )

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: 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 Reference 5: 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 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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