Income Taxes (Details Textuals) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Related party tax expense due from affiliates	$ 29,000,000	$ 23,000,000
Unrecognized tax benefits that would impact effect tax rate	2,000,000	2,000,000
Interest and income taxes accrued	1,000,000	1,000,000
Income tax penalties accrued	0
Interest on income taxes expense			$ (3,000,000)