Income Taxes	6 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	4. INCOME TAXES Income tax expense or benefit is recognized based on the Company’s estimated annual effective tax rate which is based upon the tax rate expected for the full calendar year applied to the pretax income or loss of the interim period. The Company’s consolidated effective tax rate for the three and six months ended June 30, 2018 was 34.6% and 21.9%, respectively, and differs from the recently enacted statutory federal income tax rate of 21% primarily due to state income taxes and other permanent items primarily related to nondeductible settlement and equity-based compensation. The Company’s consolidated effective tax rate for the three and six months ended June 30, 2017 was 27.4% and 31.3%, respectively, and differs from the previously effective statutory federal income tax rate of 35% primarily due to state income taxes and other permanent items, primarily related to nondeductible goodwill impairment and equity-based compensation. The Company has determined that there are no positions currently taken that would rise to a level requiring an amount to be recorded or disclosed as an unrecognized tax benefit. If such positions do arise, it is the Company’s intent that any interest or penalty amount related to such positions will be recorded as a component of the income tax provision (benefit) in the applicable period. On December 22, 2017, the United States enacted the Tax Act which makes significant modifications to the provisions of the Internal Revenue Code, including but not limited to a corporate tax rate decrease from 35% to 21% effective January 1, 2018. The Company has calculated the impact of the Tax Act in accordance with its current interpretation and available guidance, particularly as it relates to the future deductibility of executive compensation items and state conformity to the Tax Act.

4. INCOME TAXES

Income tax expense or benefit is recognized based on the Company’s estimated annual effective tax rate which is based upon the tax rate expected for the full calendar year applied to the pretax income or loss of the interim period. The Company’s consolidated effective tax rate for the three and six months ended June 30, 2018 was 34.6% and 21.9%, respectively, and differs from the recently enacted statutory federal income tax rate of 21% primarily due to state income taxes and other permanent items primarily related to nondeductible settlement and equity-based compensation. The Company’s consolidated effective tax rate for the three and six months ended June 30, 2017 was 27.4% and 31.3%, respectively, and differs from the previously effective statutory federal income tax rate of 35% primarily due to state income taxes and other permanent items, primarily related to nondeductible goodwill impairment and equity-based compensation.

The Company has determined that there are no positions currently taken that would rise to a level requiring an amount to be recorded or disclosed as an unrecognized tax benefit. If such positions do arise, it is the Company’s intent that any interest or penalty amount related to such positions will be recorded as a component of the income tax provision (benefit) in the applicable period.

On December 22, 2017, the United States enacted the Tax Act which makes significant modifications to the provisions of the Internal Revenue Code, including but not limited to a corporate tax rate decrease from 35% to 21% effective January 1, 2018. The Company has calculated the impact of the Tax Act in accordance with its current interpretation and available guidance, particularly as it relates to the future deductibility of executive compensation items and state conformity to the Tax Act.