Income Taxes	3 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company recognized an income tax expense of $2.1 million and income tax benefit of $2.7 million for the three months ended March 31, 2017 and 2016, respectively, which represents an effective tax rate of 12.9% and 44.0%, respectively. For the three months ended March 31, 2017 the effective tax rate was lower compared to the same period of 2016 due to a projected utilization of net operating loss and credit carryforwards available to offset 2017 domestic taxable income. The Company recorded a full valuation allowance against these tax attributes during 2016. The Company is subject to periodic audits by domestic and foreign tax authorities. Due to the carryforward of unutilized net operating loss and credit carryovers, the Company's federal tax years from 2009 and forward are subject to examination by the U.S. authorities. The Company's state and foreign tax years for 2001 and forward are subject to examination by applicable tax authorities. The Company believes that it has appropriate support for the income tax positions taken on its tax returns and that its accruals for tax liabilities are adequate for all open years based on an assessment of many factors, including past experience and interpretations of tax laws applied to the facts of each matter.

Income Taxes

3 Months Ended

Mar. 31, 2017

The Company recognized an income tax expense of $2.1 million and income tax benefit of $2.7 million for the three months ended March 31, 2017 and 2016, respectively, which represents an effective tax rate of 12.9% and 44.0%, respectively. For the three months ended March 31, 2017 the effective tax rate was lower compared to the same period of 2016 due to a projected utilization of net operating loss and credit carryforwards available to offset 2017 domestic taxable income. The Company recorded a full valuation allowance against these tax attributes during 2016.

The Company is subject to periodic audits by domestic and foreign tax authorities. Due to the carryforward of unutilized net operating loss and credit carryovers, the Company's federal tax years from 2009 and forward are subject to examination by the U.S. authorities. The Company's state and foreign tax years for 2001 and forward are subject to examination by applicable tax authorities. The Company believes that it has appropriate support for the income tax positions taken on its tax returns and that its accruals for tax liabilities are adequate for all open years based on an assessment of many factors, including past experience and interpretations of tax laws applied to the facts of each matter.