Income Taxes	9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	15. INCOME TAXES United records a liability for uncertain income tax positions based on a recognition threshold of more-likely-than-not, and a measurement attribute for all tax positions taken on a tax return, in order for those tax positions to be recognized in the financial statements. As of September 30, 2017, United has provided a liability for $2,405 of unrecognized tax benefits related to various federal and state income tax matters. The entire amount of unrecognized tax benefits, if recognized, would impact United’s effective tax rate. Over the next 12 months, the statute of limitations will close on certain income tax periods. However, at this time, United cannot reasonably estimate the amount of tax benefits it may recognize over the next 12 months. United is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2014, 2015 and 2016 and certain State Taxing authorities for the years ended December 31, 2014 through 2016. As of September 30, 2017 and 2016, the total amount of accrued interest related to uncertain tax positions was $548 and $792, respectively. United accounts for interest and penalties related to uncertain tax positions as part of its provision for federal and state income taxes.

15. INCOME TAXES

United records a liability for uncertain income tax positions based on a recognition threshold of more-likely-than-not, and a measurement attribute for all tax positions taken on a tax return, in order for those tax positions to be recognized in the financial statements.

As of September 30, 2017, United has provided a liability for $2,405 of unrecognized tax benefits related to various federal and state income tax matters. The entire amount of unrecognized tax benefits, if recognized, would impact United’s effective tax rate. Over the next 12 months, the statute of limitations will close on certain income tax periods. However, at this time, United cannot reasonably estimate the amount of tax benefits it may recognize over the next 12 months.

United is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2014, 2015 and 2016 and certain State Taxing authorities for the years ended December 31, 2014 through 2016.

As of September 30, 2017 and 2016, the total amount of accrued interest related to uncertain tax positions was $548 and $792, respectively. United accounts for interest and penalties related to uncertain tax positions as part of its provision for federal and state income taxes.