Fair Value of Financial Instruments (Recurring/Nonrecurring) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, net	$ 340,993		$ 340,993		$ 368,614
Goodwill, net	1,821,822		1,821,822		1,780,758
Equity Method Investments	100,556		100,556		$ 103,598
Fair Value, Nonrecurring Basis, Asset, Gain (Loss) Included in Earnings		$ 666		$ 5,248
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, net	0	0	0	0
Goodwill, net		0		0
Equity Method Investments		0		0
Assets, Fair Value Disclosure		0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, net	0	0	0	0
Goodwill, net		0		0
Equity Method Investments		0		0
Assets, Fair Value Disclosure		0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, net	0	0	0	0
Goodwill, net		0		0
Equity Method Investments		0		0
Assets, Fair Value Disclosure		0		0
Equity Method Investments [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Nonrecurring Basis, Asset, Gain (Loss) Included in Earnings		0		360
Property and equipment [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Nonrecurring Basis, Asset, Gain (Loss) Included in Earnings	$ 0	666	$ 58	988
Goodwill [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Nonrecurring Basis, Asset, Gain (Loss) Included in Earnings		$ 0		$ 3,900