Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Taxes [Abstract]
Deferred Income Tax Expense (Benefit)	$ (53,200)	$ (132,462)	$ 593
Deferred income tax assets [Abstract]
Valuation allowance	$ 9,200	$ 9,200		$ 9,200
Internal Revenue Service (IRS) [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Tax years open for future examination		2011
Internal Revenue Service (IRS) [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Tax years open for future examination		2013