Equity Method Investments (Details 2) (Infrastructure Transaction Strategic Venture [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Equity method investment - Brand, fair value	$ 296,082
Discounted Cash Flow Approach Valuation Technique [Member]
Schedule of Equity Method Investments [Line Items]
Fair value unobservable input, WACC rate	9.50%
Discounted Cash Flow Approach Valuation Technique [Member] | Minimum
Schedule of Equity Method Investments [Line Items]
Fair value unobservable input, EBITDA margin	10.90%
Fair value unobservable input, ratio of capital expenditures to revenue	2.90%
Fair value unobservable input, long-term revenue growth	3.00%
Fair value unobservable input, WACC rate	9.25%
Fair value unobservable input, cost of equity	12.50%
Fair value unobservable input, implied exit EBITDA multiple	7.0
Fair value unobservable input, discount for lack of marketability	15.00%
Discounted Cash Flow Approach Valuation Technique [Member] | Maximum
Schedule of Equity Method Investments [Line Items]
Fair value unobservable input, EBITDA margin	12.60%
Fair value unobservable input, ratio of capital expenditures to revenue	3.80%
Fair value unobservable input, long-term revenue growth	3.00%
Fair value unobservable input, WACC rate	9.25%
Fair value unobservable input, cost of equity	12.50%
Fair value unobservable input, implied exit EBITDA multiple	7.5
Fair value unobservable input, discount for lack of marketability	15.00%