Income Taxes (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2015 |
Dec. 31, 2014 |
|
| Income Taxes. | ||
| Federal and state net operating loss carryforwards amount not subject to IRC Section 382 limitations | $ 59.0 | |
| Amount of net operating loss carryforwards which will not expire prior to utilization | $ 13.0 | |
| Recognition period for net unrealized built in losses | 5 years | |
| Unfavorable book to tax add backs in U.S. corporate income tax return amount | $ 16.0 | |
| Gross deferred tax liability | 6.1 | |
| Accrued interest and penalties | $ 0.4 | $ 0.4 |