Income Taxes	9 Months Ended
Sep. 30, 2017
Income Taxes [Abstract]
Income Taxes	8. Income Taxes The Company had $0.3 million of unrecognized tax benefits at September 30, 2017, resulting from tax positions taken during the nine months ended September 30, 2017. In addition, the Company recognized approximately $0.3 million of benefits in each of the nine months ended September 30, 2016 and 2017 related to tax positions taken during prior years. The Company did not incur expense for interest and penalties in the nine months ended September 30, 2017, and recorded approximately $0.1 million of expense for interest and penalties in the nine months ended September 30, 2016. The Company does not expect its unrecognized tax benefits will be realized. If amounts accrued are different than amounts ultimately assessed by taxing authorities, the Company would record an adjustment to income tax expense. The Company does not anticipate significant changes to other unrecognized tax benefits. The Company paid $25.0 million and $21.8 million in income taxes during the nine months ended September 30, 2016 and 2017, respectively.

Income Taxes

9 Months Ended

Sep. 30, 2017

8. Income Taxes

The Company had $0.3 million of unrecognized tax benefits at September 30, 2017, resulting from tax positions taken during the nine months ended September 30, 2017. In addition, the Company recognized approximately $0.3 million of benefits in each of the nine months ended September 30, 2016 and 2017 related to tax positions taken during prior years. The Company did not incur expense for interest and penalties in the nine months ended September 30, 2017, and recorded approximately $0.1 million of expense for interest and penalties in the nine months ended September 30, 2016.

The Company does not expect its unrecognized tax benefits will be realized. If amounts accrued are different than amounts ultimately assessed by taxing authorities, the Company would record an adjustment to income tax expense. The Company does not anticipate significant changes to other unrecognized tax benefits.

The Company paid $25.0 million and $21.8 million in income taxes during the nine months ended September 30, 2016 and 2017, respectively.