Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended																			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2013 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2014 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2013 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2013 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Jun. 30, 2014 Interest Rate Swap [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2013 Interest Rate Swap [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2014 Interest Rate Swap [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2013 Interest Rate Swap [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Interest Rate Swap [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Dec. 31, 2013 Interest Rate Swap [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Jun. 30, 2014 Assets, Discontinued Operations [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Assets, Discontinued Operations [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Assets, Discontinued Operations [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Assets, Discontinued Operations [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Property and equipment [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Property and equipment [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Property and equipment [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Property and equipment [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Equity Method Investments [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Equity Method Investments [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Equity Method Investments [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Equity Method Investments [Member] Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Total [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of Disposal Group, Including Discontinued Operation, Current			$ 132,246	$ 138,023			$ 0	$ 0	$ 0	$ 0	$ 93,677	$ 0
Fair Value, Nonrecurring Basis, Asset, Gain (Loss) Included in Earnings	2,123	2,967			4,434	4,582																			3,900	200	3,900	200	174	677	322	1,521	360	1,246	360	1,246
Equity Method Investments			103,346	95,343			0	0	0	0	0	0																									93,677
Finite-Lived Intangible Assets, Net			297,039	175,808
Property and equipment, net			372,846	195,645			0	0	0	0	0	0
Financial Assets:
Cash and cash equivalents													140,909	134,741	0	0	140,909	134,741
Restricted cash													0	0	12,544	12,050	12,544	12,050
Equity securities													22,299	22,220	0	0	22,299	22,220
Total Financial Assets								0		0		0	163,208	156,961	12,544	12,050	175,752	169,011
Financial Liabilities:
Total debt													0	0	1,501,733	869,232	1,501,733	869,232
Total Financial Liabilities													0	0	1,501,733	869,232	1,501,733	869,232
Interest rate swap agreements																			$ 0	$ 0	$ (991)	$ (4,020)	$ (991)	$ (4,020)