Income taxes	3 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income taxes	13. Income Taxes For the three months ended March 31, 2019, the Company’s income tax expense was $710, compared to $943 for the prior year period. The decrease in the income tax provision for the three months ended March 31, 2019 primarily related to lower deferred tax expense in the current period related to the amortization of tax goodwill. This decrease was partially offset by an increase in taxable non-U.S. earnings before income taxes, when compared to the prior year period. As of March 31, 2019 and December 31, 2018, the Company maintained a valuation allowance against its net deferred tax assets primarily attributable to operations in the United States, as the realization of such assets was not considered more likely than not. There were no changes to the Company’s unrecognized tax benefits during the three months ended March 31, 2019. The Company does not expect any significant changes to its unrecognized tax positions during the next twelve months. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. No interest and penalties related to uncertain tax positions were recognized during the three months ended March 31, 2019.

Income taxes

3 Months Ended

Mar. 31, 2019

13. Income Taxes

For the three months ended March 31, 2019, the Company’s income tax expense was $710, compared to $943 for the prior year period. The decrease in the income tax provision for the three months ended March 31, 2019 primarily related to lower deferred tax expense in the current period related to the amortization of tax goodwill. This decrease was partially offset by an increase in taxable non-U.S. earnings before income taxes, when compared to the prior year period.

As of March 31, 2019 and December 31, 2018, the Company maintained a valuation allowance against its net deferred tax assets primarily attributable to operations in the United States, as the realization of such assets was not considered more likely than not.

There were no changes to the Company’s unrecognized tax benefits during the three months ended March 31, 2019. The Company does not expect any significant changes to its unrecognized tax positions during the next twelve months.

The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. No interest and penalties related to uncertain tax positions were recognized during the three months ended March 31, 2019.