Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 16, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Contingency [Line Items]
Deferred Tax Liabilities, Net		$ 69,000	$ 0	$ 256,000,000
Liability for Uncertain Tax Positions, Noncurrent		0	0
Unrecognized tax benefits, period decrease	2,000,000
Accrued interest recognized due to uncertain tax positions	$ 19,000			$ 426,000