Income Taxes (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Income Taxes
Federal and state net operating loss carryforwards amount subject to IRC Section 382 limitations		$ 728
Federal and state net operating loss carryforwards		741
Amount of net operating loss carryforwards which will expire prior to utilization	715
Recognition period for net unrealized built in losses	5 years
Unfavorable book to tax add backs in U.S. corporate income tax return amount	28
Gross deferred tax liability	$ 10.7