Income Taxes	6 Months Ended
Jun. 30, 2015
Income Taxes [Abstract]
Income Taxes	11. Income Taxes The income tax expense (benefit) for the three and six months ended June 30, 2015 and 2014 represents our income (loss) before income taxes multiplied by our best estimate of our expected annual effective tax rate taking into consideration our expectation of future earnings, federal income tax, state income tax for state jurisdictions in which we expect taxable income, potential effects of adverse outcomes on tax positions we have taken, true-up effects of prior tax provision estimates compared to actual tax returns, and our net operating loss carryforwards.

Income Taxes

6 Months Ended

Jun. 30, 2015

11. Income Taxes

The income tax expense (benefit) for the three and six months ended June 30, 2015 and 2014 represents our income (loss) before income taxes multiplied by our best estimate of our expected annual effective tax rate taking into consideration our expectation of future earnings, federal income tax, state income tax for state jurisdictions in which we expect taxable income, potential effects of adverse outcomes on tax positions we have taken, true-up effects of prior tax provision estimates compared to actual tax returns, and our net operating loss carryforwards.