Income Taxes	6 Months Ended
Jun. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate was 72.7% and 42.1% for the three months and 13.5% and 172.7% for the six months ended June 30, 2017 and 2016, respectively. Additionally there were $0.2 million of tax benefit and $1.0 million tax expense related to an uncertain tax position in the six months ended June 30, 2017 and June 30, 2016, respectively. The effective tax rate is affected by our tax compliance issues, as IRS toll charge penalties are not tax deductible and can move up or down depending on the net adjustment to our best estimate liability. Absent the effect on our effective tax rate of our tax compliance issues, in most periods where our effective tax rate is lower than the statutory tax rate of 35%, the difference is primarily due to tax-exempt state and local bond income which reduce the effective tax rate.

Income Taxes

6 Months Ended

Jun. 30, 2017

The effective tax rate was 72.7% and 42.1% for the three months and 13.5% and 172.7% for the six months ended June 30, 2017 and 2016, respectively. Additionally there were $0.2 million of tax benefit and $1.0 million tax expense related to an uncertain tax position in the six months ended June 30, 2017 and June 30, 2016, respectively. The effective tax rate is affected by our tax compliance issues, as IRS toll charge penalties are not tax deductible and can move up or down depending on the net adjustment to our best estimate liability. Absent the effect on our effective tax rate of our tax compliance issues, in most periods where our effective tax rate is lower than the statutory tax rate of 35%, the difference is primarily due to tax-exempt state and local bond income which reduce the effective tax rate.